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Finding the Fourth Proportional to 675,448.28, 932,125.98 and 369,518.12

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Solution

The fourth proportional to 675,448.28, 932,125.98 and 369,518.12 is: 509,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,448.28 : 932,125.98 = 369,518.12 : x
  2. Step 2: Convert to fraction form
    675,448.28/932,125.98 = 369,518.12/x
  3. Step 3: Cross multiply
    675,448.28x = 932,125.98 × 369,518.12
  4. Step 4: Simplify right side
    675,448.28x = 344,437,439,732.76
  5. Step 5: Solve for x
    x = 344,437,439,732.76/675,448.28
  6. Step 6: Final answer
    x = 509,939.03

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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.