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Finding the Fourth Proportional to 595,364.20, 890,859.30 and 437,900.20

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Solution

The fourth proportional to 595,364.20, 890,859.30 and 437,900.20 is: 655,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,364.20 : 890,859.30 = 437,900.20 : x
  2. Step 2: Convert to fraction form
    595,364.20/890,859.30 = 437,900.20/x
  3. Step 3: Cross multiply
    595,364.20x = 890,859.30 × 437,900.20
  4. Step 4: Simplify right side
    595,364.20x = 390,107,465,641.86
  5. Step 5: Solve for x
    x = 390,107,465,641.86/595,364.20
  6. Step 6: Final answer
    x = 655,241.73

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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.