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Finding the Fourth Proportional to 330,424.16, 495,885.51 and 153,055.62

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Solution

The fourth proportional to 330,424.16, 495,885.51 and 153,055.62 is: 229,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,424.16 : 495,885.51 = 153,055.62 : x
  2. Step 2: Convert to fraction form
    330,424.16/495,885.51 = 153,055.62/x
  3. Step 3: Cross multiply
    330,424.16x = 495,885.51 × 153,055.62
  4. Step 4: Simplify right side
    330,424.16x = 75,898,064,182.07
  5. Step 5: Solve for x
    x = 75,898,064,182.07/330,424.16
  6. Step 6: Final answer
    x = 229,698.90

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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.