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Finding the Fourth Proportional to 592,390.40, 890,659.20 and 579,948.80

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Solution

The fourth proportional to 592,390.40, 890,659.20 and 579,948.80 is: 871,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,390.40 : 890,659.20 = 579,948.80 : x
  2. Step 2: Convert to fraction form
    592,390.40/890,659.20 = 579,948.80/x
  3. Step 3: Cross multiply
    592,390.40x = 890,659.20 × 579,948.80
  4. Step 4: Simplify right side
    592,390.40x = 516,536,734,248.96
  5. Step 5: Solve for x
    x = 516,536,734,248.96/592,390.40
  6. Step 6: Final answer
    x = 871,953.25

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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.