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Finding the Fourth Proportional to 592,178.40, 887,684.40 and 292,705.20

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Solution

The fourth proportional to 592,178.40, 887,684.40 and 292,705.20 is: 438,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,178.40 : 887,684.40 = 292,705.20 : x
  2. Step 2: Convert to fraction form
    592,178.40/887,684.40 = 292,705.20/x
  3. Step 3: Cross multiply
    592,178.40x = 887,684.40 × 292,705.20
  4. Step 4: Simplify right side
    592,178.40x = 259,829,839,838.88
  5. Step 5: Solve for x
    x = 259,829,839,838.88/592,178.40
  6. Step 6: Final answer
    x = 438,769.53

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1.5x scale

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.