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Finding the Fourth Proportional to 312,036.70, 468,055.05 and 233,304.70

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Solution

The fourth proportional to 312,036.70, 468,055.05 and 233,304.70 is: 349,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,036.70 : 468,055.05 = 233,304.70 : x
  2. Step 2: Convert to fraction form
    312,036.70/468,055.05 = 233,304.70/x
  3. Step 3: Cross multiply
    312,036.70x = 468,055.05 × 233,304.70
  4. Step 4: Simplify right side
    312,036.70x = 109,199,443,023.74
  5. Step 5: Solve for x
    x = 109,199,443,023.74/312,036.70
  6. Step 6: Final answer
    x = 349,957.05

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Similar ratio
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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.