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Finding the Fourth Proportional to 360,248.46, 540,371.90 and 338,326.50

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Solution

The fourth proportional to 360,248.46, 540,371.90 and 338,326.50 is: 507,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,248.46 : 540,371.90 = 338,326.50 : x
  2. Step 2: Convert to fraction form
    360,248.46/540,371.90 = 338,326.50/x
  3. Step 3: Cross multiply
    360,248.46x = 540,371.90 × 338,326.50
  4. Step 4: Simplify right side
    360,248.46x = 182,822,133,625.35
  5. Step 5: Solve for x
    x = 182,822,133,625.35/360,248.46
  6. Step 6: Final answer
    x = 507,489.01

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1.5x scale

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.