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Finding the Fourth Proportional to 342,356.16, 472,473.36 and 191,454.24

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Solution

The fourth proportional to 342,356.16, 472,473.36 and 191,454.24 is: 264,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,356.16 : 472,473.36 = 191,454.24 : x
  2. Step 2: Convert to fraction form
    342,356.16/472,473.36 = 191,454.24/x
  3. Step 3: Cross multiply
    342,356.16x = 472,473.36 × 191,454.24
  4. Step 4: Simplify right side
    342,356.16x = 90,457,028,059.05
  5. Step 5: Solve for x
    x = 90,457,028,059.05/342,356.16
  6. Step 6: Final answer
    x = 264,219.08

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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.