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Finding the Fourth Proportional to 563,136.60, 844,704.90 and 525,811.80

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Solution

The fourth proportional to 563,136.60, 844,704.90 and 525,811.80 is: 788,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,136.60 : 844,704.90 = 525,811.80 : x
  2. Step 2: Convert to fraction form
    563,136.60/844,704.90 = 525,811.80/x
  3. Step 3: Cross multiply
    563,136.60x = 844,704.90 × 525,811.80
  4. Step 4: Simplify right side
    563,136.60x = 444,155,803,937.82
  5. Step 5: Solve for x
    x = 444,155,803,937.82/563,136.60
  6. Step 6: Final answer
    x = 788,717.70

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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.