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Finding the Fourth Proportional to 630,400.80, 944,434.80 and 588,410.40

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Solution

The fourth proportional to 630,400.80, 944,434.80 and 588,410.40 is: 881,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,400.80 : 944,434.80 = 588,410.40 : x
  2. Step 2: Convert to fraction form
    630,400.80/944,434.80 = 588,410.40/x
  3. Step 3: Cross multiply
    630,400.80x = 944,434.80 × 588,410.40
  4. Step 4: Simplify right side
    630,400.80x = 555,715,258,441.92
  5. Step 5: Solve for x
    x = 555,715,258,441.92/630,400.80
  6. Step 6: Final answer
    x = 881,526.89

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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.