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Finding the Fourth Proportional to 478,348.96, 716,194.68 and 240,971.92

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Solution

The fourth proportional to 478,348.96, 716,194.68 and 240,971.92 is: 360,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,348.96 : 716,194.68 = 240,971.92 : x
  2. Step 2: Convert to fraction form
    478,348.96/716,194.68 = 240,971.92/x
  3. Step 3: Cross multiply
    478,348.96x = 716,194.68 × 240,971.92
  4. Step 4: Simplify right side
    478,348.96x = 172,582,807,133.39
  5. Step 5: Solve for x
    x = 172,582,807,133.39/478,348.96
  6. Step 6: Final answer
    x = 360,788.51

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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.