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Finding the Fourth Proportional to 524,196.98, 721,894.45 and 472,070.24

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Solution

The fourth proportional to 524,196.98, 721,894.45 and 472,070.24 is: 650,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,196.98 : 721,894.45 = 472,070.24 : x
  2. Step 2: Convert to fraction form
    524,196.98/721,894.45 = 472,070.24/x
  3. Step 3: Cross multiply
    524,196.98x = 721,894.45 × 472,070.24
  4. Step 4: Simplify right side
    524,196.98x = 340,784,886,266.17
  5. Step 5: Solve for x
    x = 340,784,886,266.17/524,196.98
  6. Step 6: Final answer
    x = 650,108.45

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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.