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Finding the Fourth Proportional to 616,847.64, 922,712.52 and 579,056.28

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Solution

The fourth proportional to 616,847.64, 922,712.52 and 579,056.28 is: 866,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,847.64 : 922,712.52 = 579,056.28 : x
  2. Step 2: Convert to fraction form
    616,847.64/922,712.52 = 579,056.28/x
  3. Step 3: Cross multiply
    616,847.64x = 922,712.52 × 579,056.28
  4. Step 4: Simplify right side
    616,847.64x = 534,302,479,340.63
  5. Step 5: Solve for x
    x = 534,302,479,340.63/616,847.64
  6. Step 6: Final answer
    x = 866,182.25

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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.