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Finding the Fourth Proportional to 884,641, 1,220,384.10 and 598,261.48

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Solution

The fourth proportional to 884,641, 1,220,384.10 and 598,261.48 is: 825,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,641 : 1,220,384.10 = 598,261.48 : x
  2. Step 2: Convert to fraction form
    884,641/1,220,384.10 = 598,261.48/x
  3. Step 3: Cross multiply
    884,641x = 1,220,384.10 × 598,261.48
  4. Step 4: Simplify right side
    884,641x = 730,108,797,834.47
  5. Step 5: Solve for x
    x = 730,108,797,834.47/884,641
  6. Step 6: Final answer
    x = 825,316.48

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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.