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Finding the Fourth Proportional to 903,262.81, 1,354,894.80 and 229,394.65

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Solution

The fourth proportional to 903,262.81, 1,354,894.80 and 229,394.65 is: 344,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,262.81 : 1,354,894.80 = 229,394.65 : x
  2. Step 2: Convert to fraction form
    903,262.81/1,354,894.80 = 229,394.65/x
  3. Step 3: Cross multiply
    903,262.81x = 1,354,894.80 × 229,394.65
  4. Step 4: Simplify right side
    903,262.81x = 310,805,618,432.82
  5. Step 5: Solve for x
    x = 310,805,618,432.82/903,262.81
  6. Step 6: Final answer
    x = 344,092.12

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Double scale
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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.