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Finding the Fourth Proportional to 403,627.84, 557,006.48 and 233,960.40

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Solution

The fourth proportional to 403,627.84, 557,006.48 and 233,960.40 is: 322,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,627.84 : 557,006.48 = 233,960.40 : x
  2. Step 2: Convert to fraction form
    403,627.84/557,006.48 = 233,960.40/x
  3. Step 3: Cross multiply
    403,627.84x = 557,006.48 × 233,960.40
  4. Step 4: Simplify right side
    403,627.84x = 130,317,458,863.39
  5. Step 5: Solve for x
    x = 130,317,458,863.39/403,627.84
  6. Step 6: Final answer
    x = 322,865.39

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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.