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Finding the Fourth Proportional to 570,497.52, 855,711.72 and 149,764.08

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Solution

The fourth proportional to 570,497.52, 855,711.72 and 149,764.08 is: 224,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,497.52 : 855,711.72 = 149,764.08 : x
  2. Step 2: Convert to fraction form
    570,497.52/855,711.72 = 149,764.08/x
  3. Step 3: Cross multiply
    570,497.52x = 855,711.72 × 149,764.08
  4. Step 4: Simplify right side
    570,497.52x = 128,154,878,491.02
  5. Step 5: Solve for x
    x = 128,154,878,491.02/570,497.52
  6. Step 6: Final answer
    x = 224,637.05

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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.