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Finding the Fourth Proportional to 352,444.50, 486,373.95 and 201,544.74

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Solution

The fourth proportional to 352,444.50, 486,373.95 and 201,544.74 is: 278,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,444.50 : 486,373.95 = 201,544.74 : x
  2. Step 2: Convert to fraction form
    352,444.50/486,373.95 = 201,544.74/x
  3. Step 3: Cross multiply
    352,444.50x = 486,373.95 × 201,544.74
  4. Step 4: Simplify right side
    352,444.50x = 98,026,111,295.52
  5. Step 5: Solve for x
    x = 98,026,111,295.52/352,444.50
  6. Step 6: Final answer
    x = 278,132.05

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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.