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Finding the Fourth Proportional to 604,793.34, 834,267.65 and 378,045.18

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Solution

The fourth proportional to 604,793.34, 834,267.65 and 378,045.18 is: 521,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,793.34 : 834,267.65 = 378,045.18 : x
  2. Step 2: Convert to fraction form
    604,793.34/834,267.65 = 378,045.18/x
  3. Step 3: Cross multiply
    604,793.34x = 834,267.65 × 378,045.18
  4. Step 4: Simplify right side
    604,793.34x = 315,390,862,022.20
  5. Step 5: Solve for x
    x = 315,390,862,022.20/604,793.34
  6. Step 6: Final answer
    x = 521,485.34

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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.