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Finding the Fourth Proportional to 674,176.72, 930,357.53 and 368,252.95

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Solution

The fourth proportional to 674,176.72, 930,357.53 and 368,252.95 is: 508,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,176.72 : 930,357.53 = 368,252.95 : x
  2. Step 2: Convert to fraction form
    674,176.72/930,357.53 = 368,252.95/x
  3. Step 3: Cross multiply
    674,176.72x = 930,357.53 × 368,252.95
  4. Step 4: Simplify right side
    674,176.72x = 342,606,901,246.06
  5. Step 5: Solve for x
    x = 342,606,901,246.06/674,176.72
  6. Step 6: Final answer
    x = 508,185.60

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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.