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Finding the Fourth Proportional to 556,693.04, 768,241.32 and 302,049.28

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Solution

The fourth proportional to 556,693.04, 768,241.32 and 302,049.28 is: 416,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,693.04 : 768,241.32 = 302,049.28 : x
  2. Step 2: Convert to fraction form
    556,693.04/768,241.32 = 302,049.28/x
  3. Step 3: Cross multiply
    556,693.04x = 768,241.32 × 302,049.28
  4. Step 4: Simplify right side
    556,693.04x = 232,046,737,572.25
  5. Step 5: Solve for x
    x = 232,046,737,572.25/556,693.04
  6. Step 6: Final answer
    x = 416,830.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.