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Finding the Fourth Proportional to 564,042.40, 846,063.60 and 539,159.20

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Solution

The fourth proportional to 564,042.40, 846,063.60 and 539,159.20 is: 808,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,042.40 : 846,063.60 = 539,159.20 : x
  2. Step 2: Convert to fraction form
    564,042.40/846,063.60 = 539,159.20/x
  3. Step 3: Cross multiply
    564,042.40x = 846,063.60 × 539,159.20
  4. Step 4: Simplify right side
    564,042.40x = 456,162,973,725.12
  5. Step 5: Solve for x
    x = 456,162,973,725.12/564,042.40
  6. Step 6: Final answer
    x = 808,738.80

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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.