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Finding the Fourth Proportional to 518,752.22, 778,201.12 and 181,715.70

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Solution

The fourth proportional to 518,752.22, 778,201.12 and 181,715.70 is: 272,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,752.22 : 778,201.12 = 181,715.70 : x
  2. Step 2: Convert to fraction form
    518,752.22/778,201.12 = 181,715.70/x
  3. Step 3: Cross multiply
    518,752.22x = 778,201.12 × 181,715.70
  4. Step 4: Simplify right side
    518,752.22x = 141,411,357,370.58
  5. Step 5: Solve for x
    x = 141,411,357,370.58/518,752.22
  6. Step 6: Final answer
    x = 272,599.04

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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.