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Finding the Fourth Proportional to 607,413.40, 911,120.10 and 598,082.20

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Solution

The fourth proportional to 607,413.40, 911,120.10 and 598,082.20 is: 897,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,413.40 : 911,120.10 = 598,082.20 : x
  2. Step 2: Convert to fraction form
    607,413.40/911,120.10 = 598,082.20/x
  3. Step 3: Cross multiply
    607,413.40x = 911,120.10 × 598,082.20
  4. Step 4: Simplify right side
    607,413.40x = 544,924,713,872.22
  5. Step 5: Solve for x
    x = 544,924,713,872.22/607,413.40
  6. Step 6: Final answer
    x = 897,123.30

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1.5x scale

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.