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Finding the Fourth Proportional to 616,848.64, 922,714.02 and 579,057.28

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Solution

The fourth proportional to 616,848.64, 922,714.02 and 579,057.28 is: 866,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,848.64 : 922,714.02 = 579,057.28 : x
  2. Step 2: Convert to fraction form
    616,848.64/922,714.02 = 579,057.28/x
  3. Step 3: Cross multiply
    616,848.64x = 922,714.02 × 579,057.28
  4. Step 4: Simplify right side
    616,848.64x = 534,304,270,639.07
  5. Step 5: Solve for x
    x = 534,304,270,639.07/616,848.64
  6. Step 6: Final answer
    x = 866,183.75

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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.