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Finding the Fourth Proportional to 342,068.28, 472,054.95 and 191,165.28

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Solution

The fourth proportional to 342,068.28, 472,054.95 and 191,165.28 is: 263,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,068.28 : 472,054.95 = 191,165.28 : x
  2. Step 2: Convert to fraction form
    342,068.28/472,054.95 = 191,165.28/x
  3. Step 3: Cross multiply
    342,068.28x = 472,054.95 × 191,165.28
  4. Step 4: Simplify right side
    342,068.28x = 90,240,516,692.14
  5. Step 5: Solve for x
    x = 90,240,516,692.14/342,068.28
  6. Step 6: Final answer
    x = 263,808.49

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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.