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Finding the Fourth Proportional to 592,478.40, 888,134.40 and 293,005.20

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Solution

The fourth proportional to 592,478.40, 888,134.40 and 293,005.20 is: 439,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,478.40 : 888,134.40 = 293,005.20 : x
  2. Step 2: Convert to fraction form
    592,478.40/888,134.40 = 293,005.20/x
  3. Step 3: Cross multiply
    592,478.40x = 888,134.40 × 293,005.20
  4. Step 4: Simplify right side
    592,478.40x = 260,227,997,498.88
  5. Step 5: Solve for x
    x = 260,227,997,498.88/592,478.40
  6. Step 6: Final answer
    x = 439,219.38

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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.