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Finding the Fourth Proportional to 386,120.00, 532,254.94 and 271,075.90

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Solution

The fourth proportional to 386,120.00, 532,254.94 and 271,075.90 is: 373,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,120.00 : 532,254.94 = 271,075.90 : x
  2. Step 2: Convert to fraction form
    386,120.00/532,254.94 = 271,075.90/x
  3. Step 3: Cross multiply
    386,120.00x = 532,254.94 × 271,075.90
  4. Step 4: Simplify right side
    386,120.00x = 144,281,486,877.58
  5. Step 5: Solve for x
    x = 144,281,486,877.58/386,120.00
  6. Step 6: Final answer
    x = 373,670.07

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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.