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Finding the Fourth Proportional to 499,423.16, 748,784.82 and 183,839.06

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Solution

The fourth proportional to 499,423.16, 748,784.82 and 183,839.06 is: 275,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,423.16 : 748,784.82 = 183,839.06 : x
  2. Step 2: Convert to fraction form
    499,423.16/748,784.82 = 183,839.06/x
  3. Step 3: Cross multiply
    499,423.16x = 748,784.82 × 183,839.06
  4. Step 4: Simplify right side
    499,423.16x = 137,655,897,451.07
  5. Step 5: Solve for x
    x = 137,655,897,451.07/499,423.16
  6. Step 6: Final answer
    x = 275,629.78

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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.