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Finding the Fourth Proportional to 936,165.80, 1,404,248.70 and 936,165.80

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Solution

The fourth proportional to 936,165.80, 1,404,248.70 and 936,165.80 is: 1,404,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,165.80 : 1,404,248.70 = 936,165.80 : x
  2. Step 2: Convert to fraction form
    936,165.80/1,404,248.70 = 936,165.80/x
  3. Step 3: Cross multiply
    936,165.80x = 1,404,248.70 × 936,165.80
  4. Step 4: Simplify right side
    936,165.80x = 1,314,609,607,634.46
  5. Step 5: Solve for x
    x = 1,314,609,607,634.46/936,165.80
  6. Step 6: Final answer
    x = 1,404,248.70

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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.