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Finding the Fourth Proportional to 545,902.40, 818,853.60 and 496,913.60

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Solution

The fourth proportional to 545,902.40, 818,853.60 and 496,913.60 is: 745,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,902.40 : 818,853.60 = 496,913.60 : x
  2. Step 2: Convert to fraction form
    545,902.40/818,853.60 = 496,913.60/x
  3. Step 3: Cross multiply
    545,902.40x = 818,853.60 × 496,913.60
  4. Step 4: Simplify right side
    545,902.40x = 406,899,490,248.96
  5. Step 5: Solve for x
    x = 406,899,490,248.96/545,902.40
  6. Step 6: Final answer
    x = 745,370.40

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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.