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Finding the Fourth Proportional to 570,048.30, 855,072.45 and 149,366.70

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Solution

The fourth proportional to 570,048.30, 855,072.45 and 149,366.70 is: 224,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,048.30 : 855,072.45 = 149,366.70 : x
  2. Step 2: Convert to fraction form
    570,048.30/855,072.45 = 149,366.70/x
  3. Step 3: Cross multiply
    570,048.30x = 855,072.45 × 149,366.70
  4. Step 4: Simplify right side
    570,048.30x = 127,719,350,117.42
  5. Step 5: Solve for x
    x = 127,719,350,117.42/570,048.30
  6. Step 6: Final answer
    x = 224,050.05

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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.