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Finding the Fourth Proportional to 750,843.90, 1,036,177.83 and 411,290.10

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Solution

The fourth proportional to 750,843.90, 1,036,177.83 and 411,290.10 is: 567,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,843.90 : 1,036,177.83 = 411,290.10 : x
  2. Step 2: Convert to fraction form
    750,843.90/1,036,177.83 = 411,290.10/x
  3. Step 3: Cross multiply
    750,843.90x = 1,036,177.83 × 411,290.10
  4. Step 4: Simplify right side
    750,843.90x = 426,169,683,318.48
  5. Step 5: Solve for x
    x = 426,169,683,318.48/750,843.90
  6. Step 6: Final answer
    x = 567,587.59

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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.