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Finding the Fourth Proportional to 563,215.60, 844,823.40 and 525,890.80

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Solution

The fourth proportional to 563,215.60, 844,823.40 and 525,890.80 is: 788,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,215.60 : 844,823.40 = 525,890.80 : x
  2. Step 2: Convert to fraction form
    563,215.60/844,823.40 = 525,890.80/x
  3. Step 3: Cross multiply
    563,215.60x = 844,823.40 × 525,890.80
  4. Step 4: Simplify right side
    563,215.60x = 444,284,853,684.72
  5. Step 5: Solve for x
    x = 444,284,853,684.72/563,215.60
  6. Step 6: Final answer
    x = 788,836.20

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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.