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Finding the Fourth Proportional to 805,843.80, 1,111,220.10 and 601,567.08

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Solution

The fourth proportional to 805,843.80, 1,111,220.10 and 601,567.08 is: 829,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,843.80 : 1,111,220.10 = 601,567.08 : x
  2. Step 2: Convert to fraction form
    805,843.80/1,111,220.10 = 601,567.08/x
  3. Step 3: Cross multiply
    805,843.80x = 1,111,220.10 × 601,567.08
  4. Step 4: Simplify right side
    805,843.80x = 668,473,430,794.31
  5. Step 5: Solve for x
    x = 668,473,430,794.31/805,843.80
  6. Step 6: Final answer
    x = 829,532.26

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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.