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Finding the Fourth Proportional to 318,267.43, 439,210.35 and 175,036.55

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Solution

The fourth proportional to 318,267.43, 439,210.35 and 175,036.55 is: 241,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,267.43 : 439,210.35 = 175,036.55 : x
  2. Step 2: Convert to fraction form
    318,267.43/439,210.35 = 175,036.55/x
  3. Step 3: Cross multiply
    318,267.43x = 439,210.35 × 175,036.55
  4. Step 4: Simplify right side
    318,267.43x = 76,877,862,192.24
  5. Step 5: Solve for x
    x = 76,877,862,192.24/318,267.43
  6. Step 6: Final answer
    x = 241,551.15

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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.