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Finding the Fourth Proportional to 405,447.04, 559,515.52 and 226,599.04

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Solution

The fourth proportional to 405,447.04, 559,515.52 and 226,599.04 is: 312,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,447.04 : 559,515.52 = 226,599.04 : x
  2. Step 2: Convert to fraction form
    405,447.04/559,515.52 = 226,599.04/x
  3. Step 3: Cross multiply
    405,447.04x = 559,515.52 × 226,599.04
  4. Step 4: Simplify right side
    405,447.04x = 126,785,679,697.10
  5. Step 5: Solve for x
    x = 126,785,679,697.10/405,447.04
  6. Step 6: Final answer
    x = 312,705.90

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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.