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Finding the Fourth Proportional to 539,166.20, 808,922.10 and 361,873.40

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Solution

The fourth proportional to 539,166.20, 808,922.10 and 361,873.40 is: 542,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,166.20 : 808,922.10 = 361,873.40 : x
  2. Step 2: Convert to fraction form
    539,166.20/808,922.10 = 361,873.40/x
  3. Step 3: Cross multiply
    539,166.20x = 808,922.10 × 361,873.40
  4. Step 4: Simplify right side
    539,166.20x = 292,727,390,662.14
  5. Step 5: Solve for x
    x = 292,727,390,662.14/539,166.20
  6. Step 6: Final answer
    x = 542,926.08

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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.