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Finding the Fourth Proportional to 405,330.88, 559,355.52 and 226,482.88

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Solution

The fourth proportional to 405,330.88, 559,355.52 and 226,482.88 is: 312,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,330.88 : 559,355.52 = 226,482.88 : x
  2. Step 2: Convert to fraction form
    405,330.88/559,355.52 = 226,482.88/x
  3. Step 3: Cross multiply
    405,330.88x = 559,355.52 × 226,482.88
  4. Step 4: Simplify right side
    405,330.88x = 126,684,449,113.50
  5. Step 5: Solve for x
    x = 126,684,449,113.50/405,330.88
  6. Step 6: Final answer
    x = 312,545.76

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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.