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Finding the Fourth Proportional to 373,285.80, 559,928.70 and 344,417.40

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Solution

The fourth proportional to 373,285.80, 559,928.70 and 344,417.40 is: 516,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,285.80 : 559,928.70 = 344,417.40 : x
  2. Step 2: Convert to fraction form
    373,285.80/559,928.70 = 344,417.40/x
  3. Step 3: Cross multiply
    373,285.80x = 559,928.70 × 344,417.40
  4. Step 4: Simplify right side
    373,285.80x = 192,849,187,039.38
  5. Step 5: Solve for x
    x = 192,849,187,039.38/373,285.80
  6. Step 6: Final answer
    x = 516,626.10

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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.