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Finding the Fourth Proportional to 318,275.46, 439,210.08 and 175,035.06

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Solution

The fourth proportional to 318,275.46, 439,210.08 and 175,035.06 is: 241,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,275.46 : 439,210.08 = 175,035.06 : x
  2. Step 2: Convert to fraction form
    318,275.46/439,210.08 = 175,035.06/x
  3. Step 3: Cross multiply
    318,275.46x = 439,210.08 × 175,035.06
  4. Step 4: Simplify right side
    318,275.46x = 76,877,162,705.40
  5. Step 5: Solve for x
    x = 76,877,162,705.40/318,275.46
  6. Step 6: Final answer
    x = 241,542.85

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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.