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Finding the Fourth Proportional to 615,024.80, 922,537.20 and 610,877.60

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Solution

The fourth proportional to 615,024.80, 922,537.20 and 610,877.60 is: 916,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,024.80 : 922,537.20 = 610,877.60 : x
  2. Step 2: Convert to fraction form
    615,024.80/922,537.20 = 610,877.60/x
  3. Step 3: Cross multiply
    615,024.80x = 922,537.20 × 610,877.60
  4. Step 4: Simplify right side
    615,024.80x = 563,557,310,646.72
  5. Step 5: Solve for x
    x = 563,557,310,646.72/615,024.80
  6. Step 6: Final answer
    x = 916,316.40

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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.