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Finding the Fourth Proportional to 566,655.80, 852,057.30 and 475,417.40

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Solution

The fourth proportional to 566,655.80, 852,057.30 and 475,417.40 is: 714,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,655.80 : 852,057.30 = 475,417.40 : x
  2. Step 2: Convert to fraction form
    566,655.80/852,057.30 = 475,417.40/x
  3. Step 3: Cross multiply
    566,655.80x = 852,057.30 × 475,417.40
  4. Step 4: Simplify right side
    566,655.80x = 405,082,866,217.02
  5. Step 5: Solve for x
    x = 405,082,866,217.02/566,655.80
  6. Step 6: Final answer
    x = 714,865.83

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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.