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Finding the Fourth Proportional to 592,154.40, 886,919.40 and 487,178.40

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Solution

The fourth proportional to 592,154.40, 886,919.40 and 487,178.40 is: 729,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,154.40 : 886,919.40 = 487,178.40 : x
  2. Step 2: Convert to fraction form
    592,154.40/886,919.40 = 487,178.40/x
  3. Step 3: Cross multiply
    592,154.40x = 886,919.40 × 487,178.40
  4. Step 4: Simplify right side
    592,154.40x = 432,087,974,220.96
  5. Step 5: Solve for x
    x = 432,087,974,220.96/592,154.40
  6. Step 6: Final answer
    x = 729,688.02

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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.