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Finding the Fourth Proportional to 707,248.71, 976,024.28 and 435,473.43

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Solution

The fourth proportional to 707,248.71, 976,024.28 and 435,473.43 is: 600,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,248.71 : 976,024.28 = 435,473.43 : x
  2. Step 2: Convert to fraction form
    707,248.71/976,024.28 = 435,473.43/x
  3. Step 3: Cross multiply
    707,248.71x = 976,024.28 × 435,473.43
  4. Step 4: Simplify right side
    707,248.71x = 425,032,638,797.51
  5. Step 5: Solve for x
    x = 425,032,638,797.51/707,248.71
  6. Step 6: Final answer
    x = 600,966.30

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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.