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Finding the Fourth Proportional to 517,542.42, 776,307.15 and 180,582.42

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Solution

The fourth proportional to 517,542.42, 776,307.15 and 180,582.42 is: 270,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,542.42 : 776,307.15 = 180,582.42 : x
  2. Step 2: Convert to fraction form
    517,542.42/776,307.15 = 180,582.42/x
  3. Step 3: Cross multiply
    517,542.42x = 776,307.15 × 180,582.42
  4. Step 4: Simplify right side
    517,542.42x = 140,187,423,810.30
  5. Step 5: Solve for x
    x = 140,187,423,810.30/517,542.42
  6. Step 6: Final answer
    x = 270,871.37

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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.