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Finding the Fourth Proportional to 346,733.80, 520,100.70 and 169,268.20

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Solution

The fourth proportional to 346,733.80, 520,100.70 and 169,268.20 is: 253,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,733.80 : 520,100.70 = 169,268.20 : x
  2. Step 2: Convert to fraction form
    346,733.80/520,100.70 = 169,268.20/x
  3. Step 3: Cross multiply
    346,733.80x = 520,100.70 × 169,268.20
  4. Step 4: Simplify right side
    346,733.80x = 88,036,509,307.74
  5. Step 5: Solve for x
    x = 88,036,509,307.74/346,733.80
  6. Step 6: Final answer
    x = 253,902.30

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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.