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Finding the Fourth Proportional to 575,726.08, 794,502.72 and 317,597.12

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Solution

The fourth proportional to 575,726.08, 794,502.72 and 317,597.12 is: 438,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,726.08 : 794,502.72 = 317,597.12 : x
  2. Step 2: Convert to fraction form
    575,726.08/794,502.72 = 317,597.12/x
  3. Step 3: Cross multiply
    575,726.08x = 794,502.72 × 317,597.12
  4. Step 4: Simplify right side
    575,726.08x = 252,331,775,704.17
  5. Step 5: Solve for x
    x = 252,331,775,704.17/575,726.08
  6. Step 6: Final answer
    x = 438,284.43

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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.