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Finding the Fourth Proportional to 805,594.69, 1,111,406.01 and 461,246.58

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Solution

The fourth proportional to 805,594.69, 1,111,406.01 and 461,246.58 is: 636,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,594.69 : 1,111,406.01 = 461,246.58 : x
  2. Step 2: Convert to fraction form
    805,594.69/1,111,406.01 = 461,246.58/x
  3. Step 3: Cross multiply
    805,594.69x = 1,111,406.01 × 461,246.58
  4. Step 4: Simplify right side
    805,594.69x = 512,632,218,842.95
  5. Step 5: Solve for x
    x = 512,632,218,842.95/805,594.69
  6. Step 6: Final answer
    x = 636,340.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.