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Finding the Fourth Proportional to 543,598.40, 749,631.84 and 500,687.84

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Solution

The fourth proportional to 543,598.40, 749,631.84 and 500,687.84 is: 690,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,598.40 : 749,631.84 = 500,687.84 : x
  2. Step 2: Convert to fraction form
    543,598.40/749,631.84 = 500,687.84/x
  3. Step 3: Cross multiply
    543,598.40x = 749,631.84 × 500,687.84
  4. Step 4: Simplify right side
    543,598.40x = 375,331,546,764.83
  5. Step 5: Solve for x
    x = 375,331,546,764.83/543,598.40
  6. Step 6: Final answer
    x = 690,457.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.