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Finding the Fourth Proportional to 722,373.46, 996,882.70 and 435,838.19

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Solution

The fourth proportional to 722,373.46, 996,882.70 and 435,838.19 is: 601,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,373.46 : 996,882.70 = 435,838.19 : x
  2. Step 2: Convert to fraction form
    722,373.46/996,882.70 = 435,838.19/x
  3. Step 3: Cross multiply
    722,373.46x = 996,882.70 × 435,838.19
  4. Step 4: Simplify right side
    722,373.46x = 434,479,551,610.31
  5. Step 5: Solve for x
    x = 434,479,551,610.31/722,373.46
  6. Step 6: Final answer
    x = 601,461.12

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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.