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Finding the Fourth Proportional to 621,573.30, 932,267.68 and 172,247.32

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Solution

The fourth proportional to 621,573.30, 932,267.68 and 172,247.32 is: 258,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,573.30 : 932,267.68 = 172,247.32 : x
  2. Step 2: Convert to fraction form
    621,573.30/932,267.68 = 172,247.32/x
  3. Step 3: Cross multiply
    621,573.30x = 932,267.68 × 172,247.32
  4. Step 4: Simplify right side
    621,573.30x = 160,580,607,515.33
  5. Step 5: Solve for x
    x = 160,580,607,515.33/621,573.30
  6. Step 6: Final answer
    x = 258,345.41

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1.5x scale

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.