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Finding the Fourth Proportional to 303,470.01, 455,205.15 and 103,792.32

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Solution

The fourth proportional to 303,470.01, 455,205.15 and 103,792.32 is: 155,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,470.01 : 455,205.15 = 103,792.32 : x
  2. Step 2: Convert to fraction form
    303,470.01/455,205.15 = 103,792.32/x
  3. Step 3: Cross multiply
    303,470.01x = 455,205.15 × 103,792.32
  4. Step 4: Simplify right side
    303,470.01x = 47,246,798,594.45
  5. Step 5: Solve for x
    x = 47,246,798,594.45/303,470.01
  6. Step 6: Final answer
    x = 155,688.53

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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.