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Finding the Fourth Proportional to 289,001.60, 433,502.40 and 236,470.40

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Solution

The fourth proportional to 289,001.60, 433,502.40 and 236,470.40 is: 354,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,001.60 : 433,502.40 = 236,470.40 : x
  2. Step 2: Convert to fraction form
    289,001.60/433,502.40 = 236,470.40/x
  3. Step 3: Cross multiply
    289,001.60x = 433,502.40 × 236,470.40
  4. Step 4: Simplify right side
    289,001.60x = 102,510,485,928.96
  5. Step 5: Solve for x
    x = 102,510,485,928.96/289,001.60
  6. Step 6: Final answer
    x = 354,705.60

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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.