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Finding the Fourth Proportional to 540,560.80, 810,569.20 and 166,535.20

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Solution

The fourth proportional to 540,560.80, 810,569.20 and 166,535.20 is: 249,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,560.80 : 810,569.20 = 166,535.20 : x
  2. Step 2: Convert to fraction form
    540,560.80/810,569.20 = 166,535.20/x
  3. Step 3: Cross multiply
    540,560.80x = 810,569.20 × 166,535.20
  4. Step 4: Simplify right side
    540,560.80x = 134,988,303,835.84
  5. Step 5: Solve for x
    x = 134,988,303,835.84/540,560.80
  6. Step 6: Final answer
    x = 249,719.00

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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.