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Finding the Fourth Proportional to 373,990.35, 560,985.54 and 93,507.60

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Solution

The fourth proportional to 373,990.35, 560,985.54 and 93,507.60 is: 140,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990.35 : 560,985.54 = 93,507.60 : x
  2. Step 2: Convert to fraction form
    373,990.35/560,985.54 = 93,507.60/x
  3. Step 3: Cross multiply
    373,990.35x = 560,985.54 × 93,507.60
  4. Step 4: Simplify right side
    373,990.35x = 52,456,411,480.10
  5. Step 5: Solve for x
    x = 52,456,411,480.10/373,990.35
  6. Step 6: Final answer
    x = 140,261.40

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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.