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Finding the Fourth Proportional to 477,261.61, 715,740.18 and 157,353.87

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Solution

The fourth proportional to 477,261.61, 715,740.18 and 157,353.87 is: 235,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,261.61 : 715,740.18 = 157,353.87 : x
  2. Step 2: Convert to fraction form
    477,261.61/715,740.18 = 157,353.87/x
  3. Step 3: Cross multiply
    477,261.61x = 715,740.18 × 157,353.87
  4. Step 4: Simplify right side
    477,261.61x = 112,624,487,237.50
  5. Step 5: Solve for x
    x = 112,624,487,237.50/477,261.61
  6. Step 6: Final answer
    x = 235,980.61

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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.