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Finding the Fourth Proportional to 423,440.55, 584,348.54 and 229,848.14

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Solution

The fourth proportional to 423,440.55, 584,348.54 and 229,848.14 is: 317,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,440.55 : 584,348.54 = 229,848.14 : x
  2. Step 2: Convert to fraction form
    423,440.55/584,348.54 = 229,848.14/x
  3. Step 3: Cross multiply
    423,440.55x = 584,348.54 × 229,848.14
  4. Step 4: Simplify right side
    423,440.55x = 134,311,425,342.35
  5. Step 5: Solve for x
    x = 134,311,425,342.35/423,440.55
  6. Step 6: Final answer
    x = 317,190.75

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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.