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Finding the Fourth Proportional to 576,497,298.60, 864,745,947.90 and 549,712,672.20

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Solution

The fourth proportional to 576,497,298.60, 864,745,947.90 and 549,712,672.20 is: 824,569,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,497,298.60 : 864,745,947.90 = 549,712,672.20 : x
  2. Step 2: Convert to fraction form
    576,497,298.60/864,745,947.90 = 549,712,672.20/x
  3. Step 3: Cross multiply
    576,497,298.60x = 864,745,947.90 × 549,712,672.20
  4. Step 4: Simplify right side
    576,497,298.60x = 475,361,805,794,230,976
  5. Step 5: Solve for x
    x = 475,361,805,794,230,976/576,497,298.60
  6. Step 6: Final answer
    x = 824,569,008.30

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Double scale
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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.