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Finding the Fourth Proportional to 372,841.56, 514,522.14 and 203,075.16

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Solution

The fourth proportional to 372,841.56, 514,522.14 and 203,075.16 is: 280,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,841.56 : 514,522.14 = 203,075.16 : x
  2. Step 2: Convert to fraction form
    372,841.56/514,522.14 = 203,075.16/x
  3. Step 3: Cross multiply
    372,841.56x = 514,522.14 × 203,075.16
  4. Step 4: Simplify right side
    372,841.56x = 104,486,665,904.04
  5. Step 5: Solve for x
    x = 104,486,665,904.04/372,841.56
  6. Step 6: Final answer
    x = 280,244.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.