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Finding the Fourth Proportional to 615,087.10, 922,630.65 and 282,663.10

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Solution

The fourth proportional to 615,087.10, 922,630.65 and 282,663.10 is: 423,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,087.10 : 922,630.65 = 282,663.10 : x
  2. Step 2: Convert to fraction form
    615,087.10/922,630.65 = 282,663.10/x
  3. Step 3: Cross multiply
    615,087.10x = 922,630.65 × 282,663.10
  4. Step 4: Simplify right side
    615,087.10x = 260,793,639,684.02
  5. Step 5: Solve for x
    x = 260,793,639,684.02/615,087.10
  6. Step 6: Final answer
    x = 423,994.65

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Similar ratio
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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.