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Finding the Fourth Proportional to 286,463.58, 429,544.14 and 96,858.78

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Solution

The fourth proportional to 286,463.58, 429,544.14 and 96,858.78 is: 145,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,463.58 : 429,544.14 = 96,858.78 : x
  2. Step 2: Convert to fraction form
    286,463.58/429,544.14 = 96,858.78/x
  3. Step 3: Cross multiply
    286,463.58x = 429,544.14 × 96,858.78
  4. Step 4: Simplify right side
    286,463.58x = 41,605,121,356.55
  5. Step 5: Solve for x
    x = 41,605,121,356.55/286,463.58
  6. Step 6: Final answer
    x = 145,237.04

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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.