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Finding the Fourth Proportional to 364,030.20, 546,045.30 and 325,976.40

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Solution

The fourth proportional to 364,030.20, 546,045.30 and 325,976.40 is: 488,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,030.20 : 546,045.30 = 325,976.40 : x
  2. Step 2: Convert to fraction form
    364,030.20/546,045.30 = 325,976.40/x
  3. Step 3: Cross multiply
    364,030.20x = 546,045.30 × 325,976.40
  4. Step 4: Simplify right side
    364,030.20x = 177,997,881,130.92
  5. Step 5: Solve for x
    x = 177,997,881,130.92/364,030.20
  6. Step 6: Final answer
    x = 488,964.60

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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.