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Finding the Fourth Proportional to 403,496.54, 556,799.56 and 242,358.38

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Solution

The fourth proportional to 403,496.54, 556,799.56 and 242,358.38 is: 334,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,496.54 : 556,799.56 = 242,358.38 : x
  2. Step 2: Convert to fraction form
    403,496.54/556,799.56 = 242,358.38/x
  3. Step 3: Cross multiply
    403,496.54x = 556,799.56 × 242,358.38
  4. Step 4: Simplify right side
    403,496.54x = 134,945,035,956.42
  5. Step 5: Solve for x
    x = 134,945,035,956.42/403,496.54
  6. Step 6: Final answer
    x = 334,439.14

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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.