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Finding the Fourth Proportional to 232,428.60, 348,642.90 and 161,569.80

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Solution

The fourth proportional to 232,428.60, 348,642.90 and 161,569.80 is: 242,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,428.60 : 348,642.90 = 161,569.80 : x
  2. Step 2: Convert to fraction form
    232,428.60/348,642.90 = 161,569.80/x
  3. Step 3: Cross multiply
    232,428.60x = 348,642.90 × 161,569.80
  4. Step 4: Simplify right side
    232,428.60x = 56,330,163,624.42
  5. Step 5: Solve for x
    x = 56,330,163,624.42/232,428.60
  6. Step 6: Final answer
    x = 242,354.70

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1.5x scale

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.