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Finding the Fourth Proportional to 616,710.54, 851,322.93 and 375,070.68

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Solution

The fourth proportional to 616,710.54, 851,322.93 and 375,070.68 is: 517,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,710.54 : 851,322.93 = 375,070.68 : x
  2. Step 2: Convert to fraction form
    616,710.54/851,322.93 = 375,070.68/x
  3. Step 3: Cross multiply
    616,710.54x = 851,322.93 × 375,070.68
  4. Step 4: Simplify right side
    616,710.54x = 319,306,270,254.69
  5. Step 5: Solve for x
    x = 319,306,270,254.69/616,710.54
  6. Step 6: Final answer
    x = 517,757.12

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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.