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Finding the Fourth Proportional to 604,565.40, 907,193.70 and 230,856.60

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Solution

The fourth proportional to 604,565.40, 907,193.70 and 230,856.60 is: 346,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,565.40 : 907,193.70 = 230,856.60 : x
  2. Step 2: Convert to fraction form
    604,565.40/907,193.70 = 230,856.60/x
  3. Step 3: Cross multiply
    604,565.40x = 907,193.70 × 230,856.60
  4. Step 4: Simplify right side
    604,565.40x = 209,431,653,123.42
  5. Step 5: Solve for x
    x = 209,431,653,123.42/604,565.40
  6. Step 6: Final answer
    x = 346,416.87

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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.