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Finding the Fourth Proportional to 654,681.33, 980,651.43 and 527,602.05

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Solution

The fourth proportional to 654,681.33, 980,651.43 and 527,602.05 is: 790,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,681.33 : 980,651.43 = 527,602.05 : x
  2. Step 2: Convert to fraction form
    654,681.33/980,651.43 = 527,602.05/x
  3. Step 3: Cross multiply
    654,681.33x = 980,651.43 × 527,602.05
  4. Step 4: Simplify right side
    654,681.33x = 517,393,704,803.43
  5. Step 5: Solve for x
    x = 517,393,704,803.43/654,681.33
  6. Step 6: Final answer
    x = 790,298.55

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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.