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Finding the Fourth Proportional to 564,999.20, 846,807.60 and 249,120.80

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Solution

The fourth proportional to 564,999.20, 846,807.60 and 249,120.80 is: 373,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,999.20 : 846,807.60 = 249,120.80 : x
  2. Step 2: Convert to fraction form
    564,999.20/846,807.60 = 249,120.80/x
  3. Step 3: Cross multiply
    564,999.20x = 846,807.60 × 249,120.80
  4. Step 4: Simplify right side
    564,999.20x = 210,957,386,758.08
  5. Step 5: Solve for x
    x = 210,957,386,758.08/564,999.20
  6. Step 6: Final answer
    x = 373,376.43

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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.