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Finding the Fourth Proportional to 311,032.88, 429,239.02 and 175,075.60

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Solution

The fourth proportional to 311,032.88, 429,239.02 and 175,075.60 is: 241,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,032.88 : 429,239.02 = 175,075.60 : x
  2. Step 2: Convert to fraction form
    311,032.88/429,239.02 = 175,075.60/x
  3. Step 3: Cross multiply
    311,032.88x = 429,239.02 × 175,075.60
  4. Step 4: Simplify right side
    311,032.88x = 75,149,278,969.91
  5. Step 5: Solve for x
    x = 75,149,278,969.91/311,032.88
  6. Step 6: Final answer
    x = 241,612.01

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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.