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Finding the Fourth Proportional to 540,001.68, 745,197.63 and 298,301.12

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Solution

The fourth proportional to 540,001.68, 745,197.63 and 298,301.12 is: 411,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,001.68 : 745,197.63 = 298,301.12 : x
  2. Step 2: Convert to fraction form
    540,001.68/745,197.63 = 298,301.12/x
  3. Step 3: Cross multiply
    540,001.68x = 745,197.63 × 298,301.12
  4. Step 4: Simplify right side
    540,001.68x = 222,293,287,650.35
  5. Step 5: Solve for x
    x = 222,293,287,650.35/540,001.68
  6. Step 6: Final answer
    x = 411,652.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.