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Finding the Fourth Proportional to 418,008.96, 576,858.96 and 236,715.98

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Solution

The fourth proportional to 418,008.96, 576,858.96 and 236,715.98 is: 326,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,008.96 : 576,858.96 = 236,715.98 : x
  2. Step 2: Convert to fraction form
    418,008.96/576,858.96 = 236,715.98/x
  3. Step 3: Cross multiply
    418,008.96x = 576,858.96 × 236,715.98
  4. Step 4: Simplify right side
    418,008.96x = 136,551,734,038.18
  5. Step 5: Solve for x
    x = 136,551,734,038.18/418,008.96
  6. Step 6: Final answer
    x = 326,671.79

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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.