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Finding the Fourth Proportional to 615,186.20, 922,779.30 and 602,744.60

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Solution

The fourth proportional to 615,186.20, 922,779.30 and 602,744.60 is: 904,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,186.20 : 922,779.30 = 602,744.60 : x
  2. Step 2: Convert to fraction form
    615,186.20/922,779.30 = 602,744.60/x
  3. Step 3: Cross multiply
    615,186.20x = 922,779.30 × 602,744.60
  4. Step 4: Simplify right side
    615,186.20x = 556,200,240,066.78
  5. Step 5: Solve for x
    x = 556,200,240,066.78/615,186.20
  6. Step 6: Final answer
    x = 904,116.90

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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.