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Finding the Fourth Proportional to 524,541.60, 787,006.80 and 505,101.60

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Solution

The fourth proportional to 524,541.60, 787,006.80 and 505,101.60 is: 757,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,541.60 : 787,006.80 = 505,101.60 : x
  2. Step 2: Convert to fraction form
    524,541.60/787,006.80 = 505,101.60/x
  3. Step 3: Cross multiply
    524,541.60x = 787,006.80 × 505,101.60
  4. Step 4: Simplify right side
    524,541.60x = 397,518,393,890.88
  5. Step 5: Solve for x
    x = 397,518,393,890.88/524,541.60
  6. Step 6: Final answer
    x = 757,839.60

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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.