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Finding the Fourth Proportional to 671,188, 1,007,248.32 and 433,942.24

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Solution

The fourth proportional to 671,188, 1,007,248.32 and 433,942.24 is: 651,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,188 : 1,007,248.32 = 433,942.24 : x
  2. Step 2: Convert to fraction form
    671,188/1,007,248.32 = 433,942.24/x
  3. Step 3: Cross multiply
    671,188x = 1,007,248.32 × 433,942.24
  4. Step 4: Simplify right side
    671,188x = 437,087,592,217.04
  5. Step 5: Solve for x
    x = 437,087,592,217.04/671,188
  6. Step 6: Final answer
    x = 651,214.85

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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.