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Finding the Fourth Proportional to 615,190.20, 922,785.30 and 602,748.60

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Solution

The fourth proportional to 615,190.20, 922,785.30 and 602,748.60 is: 904,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,190.20 : 922,785.30 = 602,748.60 : x
  2. Step 2: Convert to fraction form
    615,190.20/922,785.30 = 602,748.60/x
  3. Step 3: Cross multiply
    615,190.20x = 922,785.30 × 602,748.60
  4. Step 4: Simplify right side
    615,190.20x = 556,207,547,675.58
  5. Step 5: Solve for x
    x = 556,207,547,675.58/615,190.20
  6. Step 6: Final answer
    x = 904,122.90

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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.