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Finding the Fourth Proportional to 320,483.01, 442,248.66 and 175,260.14

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Solution

The fourth proportional to 320,483.01, 442,248.66 and 175,260.14 is: 241,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,483.01 : 442,248.66 = 175,260.14 : x
  2. Step 2: Convert to fraction form
    320,483.01/442,248.66 = 175,260.14/x
  3. Step 3: Cross multiply
    320,483.01x = 442,248.66 × 175,260.14
  4. Step 4: Simplify right side
    320,483.01x = 77,508,561,513.60
  5. Step 5: Solve for x
    x = 77,508,561,513.60/320,483.01
  6. Step 6: Final answer
    x = 241,849.20

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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.