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Finding the Fourth Proportional to 475,499.12, 655,085.95 and 332,031.92

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Solution

The fourth proportional to 475,499.12, 655,085.95 and 332,031.92 is: 457,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,499.12 : 655,085.95 = 332,031.92 : x
  2. Step 2: Convert to fraction form
    475,499.12/655,085.95 = 332,031.92/x
  3. Step 3: Cross multiply
    475,499.12x = 655,085.95 × 332,031.92
  4. Step 4: Simplify right side
    475,499.12x = 217,509,441,638.01
  5. Step 5: Solve for x
    x = 217,509,441,638.01/475,499.12
  6. Step 6: Final answer
    x = 457,433.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.