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Finding the Fourth Proportional to 704,599.93, 972,600.06 and 418,119.94

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Solution

The fourth proportional to 704,599.93, 972,600.06 and 418,119.94 is: 577,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,599.93 : 972,600.06 = 418,119.94 : x
  2. Step 2: Convert to fraction form
    704,599.93/972,600.06 = 418,119.94/x
  3. Step 3: Cross multiply
    704,599.93x = 972,600.06 × 418,119.94
  4. Step 4: Simplify right side
    704,599.93x = 406,663,478,731.20
  5. Step 5: Solve for x
    x = 406,663,478,731.20/704,599.93
  6. Step 6: Final answer
    x = 577,155.15

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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.