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Finding the Fourth Proportional to 578,703.47, 868,055.30 and 241,560.21

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Solution

The fourth proportional to 578,703.47, 868,055.30 and 241,560.21 is: 362,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,703.47 : 868,055.30 = 241,560.21 : x
  2. Step 2: Convert to fraction form
    578,703.47/868,055.30 = 241,560.21/x
  3. Step 3: Cross multiply
    578,703.47x = 868,055.30 × 241,560.21
  4. Step 4: Simplify right side
    578,703.47x = 209,687,619,351.81
  5. Step 5: Solve for x
    x = 209,687,619,351.81/578,703.47
  6. Step 6: Final answer
    x = 362,340.36

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Double scale
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Similar ratio
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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.