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Finding the Fourth Proportional to 358,570.61, 538,773.91 and 270,652.13

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Solution

The fourth proportional to 358,570.61, 538,773.91 and 270,652.13 is: 406,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,570.61 : 538,773.91 = 270,652.13 : x
  2. Step 2: Convert to fraction form
    358,570.61/538,773.91 = 270,652.13/x
  3. Step 3: Cross multiply
    358,570.61x = 538,773.91 × 270,652.13
  4. Step 4: Simplify right side
    358,570.61x = 145,820,302,959.43
  5. Step 5: Solve for x
    x = 145,820,302,959.43/358,570.61
  6. Step 6: Final answer
    x = 406,671.10

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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.