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Finding the Fourth Proportional to 523,860.01, 785,132.91 and 223,988.58

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Solution

The fourth proportional to 523,860.01, 785,132.91 and 223,988.58 is: 335,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,860.01 : 785,132.91 = 223,988.58 : x
  2. Step 2: Convert to fraction form
    523,860.01/785,132.91 = 223,988.58/x
  3. Step 3: Cross multiply
    523,860.01x = 785,132.91 × 223,988.58
  4. Step 4: Simplify right side
    523,860.01x = 175,860,805,622.17
  5. Step 5: Solve for x
    x = 175,860,805,622.17/523,860.01
  6. Step 6: Final answer
    x = 335,701.91

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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.