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Finding the Fourth Proportional to 475,156.49, 712,583.84 and 155,235.45

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Solution

The fourth proportional to 475,156.49, 712,583.84 and 155,235.45 is: 232,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,156.49 : 712,583.84 = 155,235.45 : x
  2. Step 2: Convert to fraction form
    475,156.49/712,583.84 = 155,235.45/x
  3. Step 3: Cross multiply
    475,156.49x = 712,583.84 × 155,235.45
  4. Step 4: Simplify right side
    475,156.49x = 110,618,272,288.95
  5. Step 5: Solve for x
    x = 110,618,272,288.95/475,156.49
  6. Step 6: Final answer
    x = 232,803.88

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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.