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Finding the Fourth Proportional to 374,220.10, 561,330.15 and 374,220.10

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Solution

The fourth proportional to 374,220.10, 561,330.15 and 374,220.10 is: 561,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220.10 : 561,330.15 = 374,220.10 : x
  2. Step 2: Convert to fraction form
    374,220.10/561,330.15 = 374,220.10/x
  3. Step 3: Cross multiply
    374,220.10x = 561,330.15 × 374,220.10
  4. Step 4: Simplify right side
    374,220.10x = 210,061,024,866.02
  5. Step 5: Solve for x
    x = 210,061,024,866.02/374,220.10
  6. Step 6: Final answer
    x = 561,330.15

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Similar ratio
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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.