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Finding the Fourth Proportional to 360,246.45, 540,368.91 and 338,324.49

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Solution

The fourth proportional to 360,246.45, 540,368.91 and 338,324.49 is: 507,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,246.45 : 540,368.91 = 338,324.49 : x
  2. Step 2: Convert to fraction form
    360,246.45/540,368.91 = 338,324.49/x
  3. Step 3: Cross multiply
    360,246.45x = 540,368.91 × 338,324.49
  4. Step 4: Simplify right side
    360,246.45x = 182,820,035,887.61
  5. Step 5: Solve for x
    x = 182,820,035,887.61/360,246.45
  6. Step 6: Final answer
    x = 507,486.02

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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.