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Finding the Fourth Proportional to 621,830.33, 932,641.16 and 172,596.84

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Solution

The fourth proportional to 621,830.33, 932,641.16 and 172,596.84 is: 258,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,830.33 : 932,641.16 = 172,596.84 : x
  2. Step 2: Convert to fraction form
    621,830.33/932,641.16 = 172,596.84/x
  3. Step 3: Cross multiply
    621,830.33x = 932,641.16 × 172,596.84
  4. Step 4: Simplify right side
    621,830.33x = 160,970,916,206.95
  5. Step 5: Solve for x
    x = 160,970,916,206.95/621,830.33
  6. Step 6: Final answer
    x = 258,866.30

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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.