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Finding the Fourth Proportional to 542,166.80, 812,083.80 and 448,854.80

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Solution

The fourth proportional to 542,166.80, 812,083.80 and 448,854.80 is: 672,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,166.80 : 812,083.80 = 448,854.80 : x
  2. Step 2: Convert to fraction form
    542,166.80/812,083.80 = 448,854.80/x
  3. Step 3: Cross multiply
    542,166.80x = 812,083.80 × 448,854.80
  4. Step 4: Simplify right side
    542,166.80x = 364,507,711,632.24
  5. Step 5: Solve for x
    x = 364,507,711,632.24/542,166.80
  6. Step 6: Final answer
    x = 672,316.55

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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.