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Finding the Fourth Proportional to 477,869.72, 717,247.38 and 241,378.16

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Solution

The fourth proportional to 477,869.72, 717,247.38 and 241,378.16 is: 362,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,869.72 : 717,247.38 = 241,378.16 : x
  2. Step 2: Convert to fraction form
    477,869.72/717,247.38 = 241,378.16/x
  3. Step 3: Cross multiply
    477,869.72x = 717,247.38 × 241,378.16
  4. Step 4: Simplify right side
    477,869.72x = 173,127,852,849.22
  5. Step 5: Solve for x
    x = 173,127,852,849.22/477,869.72
  6. Step 6: Final answer
    x = 362,290.90

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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.