Home / 369,769.20-553,876.20-307,561.20

Finding the Fourth Proportional to 369,769.20, 553,876.20 and 307,561.20

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Solution

The fourth proportional to 369,769.20, 553,876.20 and 307,561.20 is: 460,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,769.20 : 553,876.20 = 307,561.20 : x
  2. Step 2: Convert to fraction form
    369,769.20/553,876.20 = 307,561.20/x
  3. Step 3: Cross multiply
    369,769.20x = 553,876.20 × 307,561.20
  4. Step 4: Simplify right side
    369,769.20x = 170,350,828,723.44
  5. Step 5: Solve for x
    x = 170,350,828,723.44/369,769.20
  6. Step 6: Final answer
    x = 460,695.02

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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.