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Finding the Fourth Proportional to 722,370.34, 996,878.46 and 435,835.12

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Solution

The fourth proportional to 722,370.34, 996,878.46 and 435,835.12 is: 601,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,370.34 : 996,878.46 = 435,835.12 : x
  2. Step 2: Convert to fraction form
    722,370.34/996,878.46 = 435,835.12/x
  3. Step 3: Cross multiply
    722,370.34x = 996,878.46 × 435,835.12
  4. Step 4: Simplify right side
    722,370.34x = 434,474,643,239.52
  5. Step 5: Solve for x
    x = 434,474,643,239.52/722,370.34
  6. Step 6: Final answer
    x = 601,456.92

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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.