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Finding the Fourth Proportional to 591,801.80, 886,973.70 and 402,261.80

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Solution

The fourth proportional to 591,801.80, 886,973.70 and 402,261.80 is: 602,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,801.80 : 886,973.70 = 402,261.80 : x
  2. Step 2: Convert to fraction form
    591,801.80/886,973.70 = 402,261.80/x
  3. Step 3: Cross multiply
    591,801.80x = 886,973.70 × 402,261.80
  4. Step 4: Simplify right side
    591,801.80x = 356,795,637,114.66
  5. Step 5: Solve for x
    x = 356,795,637,114.66/591,801.80
  6. Step 6: Final answer
    x = 602,897.18

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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.