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Finding the Fourth Proportional to 545,113.40, 817,670.10 and 496,124.60

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Solution

The fourth proportional to 545,113.40, 817,670.10 and 496,124.60 is: 744,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,113.40 : 817,670.10 = 496,124.60 : x
  2. Step 2: Convert to fraction form
    545,113.40/817,670.10 = 496,124.60/x
  3. Step 3: Cross multiply
    545,113.40x = 817,670.10 × 496,124.60
  4. Step 4: Simplify right side
    545,113.40x = 405,666,251,294.46
  5. Step 5: Solve for x
    x = 405,666,251,294.46/545,113.40
  6. Step 6: Final answer
    x = 744,186.90

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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.