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Finding the Fourth Proportional to 621,574.80, 932,269.92 and 172,248.83

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Solution

The fourth proportional to 621,574.80, 932,269.92 and 172,248.83 is: 258,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,574.80 : 932,269.92 = 172,248.83 : x
  2. Step 2: Convert to fraction form
    621,574.80/932,269.92 = 172,248.83/x
  3. Step 3: Cross multiply
    621,574.80x = 932,269.92 × 172,248.83
  4. Step 4: Simplify right side
    621,574.80x = 160,582,398,302.84
  5. Step 5: Solve for x
    x = 160,582,398,302.84/621,574.80
  6. Step 6: Final answer
    x = 258,347.67

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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.