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Finding the Fourth Proportional to 675,151.28, 930,861.96 and 433,006.64

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Solution

The fourth proportional to 675,151.28, 930,861.96 and 433,006.64 is: 597,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,151.28 : 930,861.96 = 433,006.64 : x
  2. Step 2: Convert to fraction form
    675,151.28/930,861.96 = 433,006.64/x
  3. Step 3: Cross multiply
    675,151.28x = 930,861.96 × 433,006.64
  4. Step 4: Simplify right side
    675,151.28x = 403,069,409,603.41
  5. Step 5: Solve for x
    x = 403,069,409,603.41/675,151.28
  6. Step 6: Final answer
    x = 597,006.07

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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.