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Finding the Fourth Proportional to 506,394.28, 759,196.95 and 253,544.58

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Solution

The fourth proportional to 506,394.28, 759,196.95 and 253,544.58 is: 380,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,394.28 : 759,196.95 = 253,544.58 : x
  2. Step 2: Convert to fraction form
    506,394.28/759,196.95 = 253,544.58/x
  3. Step 3: Cross multiply
    506,394.28x = 759,196.95 × 253,544.58
  4. Step 4: Simplify right side
    506,394.28x = 192,490,271,825.03
  5. Step 5: Solve for x
    x = 192,490,271,825.03/506,394.28
  6. Step 6: Final answer
    x = 380,119.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.