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Finding the Fourth Proportional to 524,793.30, 786,023.55 and 454,809.30

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Solution

The fourth proportional to 524,793.30, 786,023.55 and 454,809.30 is: 681,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,793.30 : 786,023.55 = 454,809.30 : x
  2. Step 2: Convert to fraction form
    524,793.30/786,023.55 = 454,809.30/x
  3. Step 3: Cross multiply
    524,793.30x = 786,023.55 × 454,809.30
  4. Step 4: Simplify right side
    524,793.30x = 357,490,820,559.02
  5. Step 5: Solve for x
    x = 357,490,820,559.02/524,793.30
  6. Step 6: Final answer
    x = 681,203.10

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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.