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Finding the Fourth Proportional to 574,678.48, 862,152.52 and 175,319.12

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Solution

The fourth proportional to 574,678.48, 862,152.52 and 175,319.12 is: 263,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,678.48 : 862,152.52 = 175,319.12 : x
  2. Step 2: Convert to fraction form
    574,678.48/862,152.52 = 175,319.12/x
  3. Step 3: Cross multiply
    574,678.48x = 862,152.52 × 175,319.12
  4. Step 4: Simplify right side
    574,678.48x = 151,151,821,112.18
  5. Step 5: Solve for x
    x = 151,151,821,112.18/574,678.48
  6. Step 6: Final answer
    x = 263,019.80

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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.