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Finding the Fourth Proportional to 570,479.52, 855,684.72 and 149,746.08

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Solution

The fourth proportional to 570,479.52, 855,684.72 and 149,746.08 is: 224,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,479.52 : 855,684.72 = 149,746.08 : x
  2. Step 2: Convert to fraction form
    570,479.52/855,684.72 = 149,746.08/x
  3. Step 3: Cross multiply
    570,479.52x = 855,684.72 × 149,746.08
  4. Step 4: Simplify right side
    570,479.52x = 128,135,432,535.90
  5. Step 5: Solve for x
    x = 128,135,432,535.90/570,479.52
  6. Step 6: Final answer
    x = 224,610.05

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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.