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Finding the Fourth Proportional to 822,036.10, 1,231,304.55 and 822,036.10

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Solution

The fourth proportional to 822,036.10, 1,231,304.55 and 822,036.10 is: 1,231,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,036.10 : 1,231,304.55 = 822,036.10 : x
  2. Step 2: Convert to fraction form
    822,036.10/1,231,304.55 = 822,036.10/x
  3. Step 3: Cross multiply
    822,036.10x = 1,231,304.55 × 822,036.10
  4. Step 4: Simplify right side
    822,036.10x = 1,012,176,790,194.26
  5. Step 5: Solve for x
    x = 1,012,176,790,194.26/822,036.10
  6. Step 6: Final answer
    x = 1,231,304.55

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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.