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Finding the Fourth Proportional to 433,061.60, 649,246.80 and 183,538.40

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Solution

The fourth proportional to 433,061.60, 649,246.80 and 183,538.40 is: 275,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,061.60 : 649,246.80 = 183,538.40 : x
  2. Step 2: Convert to fraction form
    433,061.60/649,246.80 = 183,538.40/x
  3. Step 3: Cross multiply
    433,061.60x = 649,246.80 × 183,538.40
  4. Step 4: Simplify right side
    433,061.60x = 119,161,718,877.12
  5. Step 5: Solve for x
    x = 119,161,718,877.12/433,061.60
  6. Step 6: Final answer
    x = 275,161.13

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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.