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Finding the Fourth Proportional to 499,503.80, 749,255.70 and 496,393.40

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Solution

The fourth proportional to 499,503.80, 749,255.70 and 496,393.40 is: 744,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,503.80 : 749,255.70 = 496,393.40 : x
  2. Step 2: Convert to fraction form
    499,503.80/749,255.70 = 496,393.40/x
  3. Step 3: Cross multiply
    499,503.80x = 749,255.70 × 496,393.40
  4. Step 4: Simplify right side
    499,503.80x = 371,925,584,392.38
  5. Step 5: Solve for x
    x = 371,925,584,392.38/499,503.80
  6. Step 6: Final answer
    x = 744,590.10

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Similar ratio
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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.