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Finding the Fourth Proportional to 574,891.68, 787,605.16 and 553,343.24

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Solution

The fourth proportional to 574,891.68, 787,605.16 and 553,343.24 is: 758,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,891.68 : 787,605.16 = 553,343.24 : x
  2. Step 2: Convert to fraction form
    574,891.68/787,605.16 = 553,343.24/x
  3. Step 3: Cross multiply
    574,891.68x = 787,605.16 × 553,343.24
  4. Step 4: Simplify right side
    574,891.68x = 435,815,991,075.12
  5. Step 5: Solve for x
    x = 435,815,991,075.12/574,891.68
  6. Step 6: Final answer
    x = 758,083.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.