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Finding the Fourth Proportional to 607,082.16, 910,758.60 and 186,400.56

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Solution

The fourth proportional to 607,082.16, 910,758.60 and 186,400.56 is: 279,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,082.16 : 910,758.60 = 186,400.56 : x
  2. Step 2: Convert to fraction form
    607,082.16/910,758.60 = 186,400.56/x
  3. Step 3: Cross multiply
    607,082.16x = 910,758.60 × 186,400.56
  4. Step 4: Simplify right side
    607,082.16x = 169,765,913,064.82
  5. Step 5: Solve for x
    x = 169,765,913,064.82/607,082.16
  6. Step 6: Final answer
    x = 279,642.40

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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.