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Finding the Fourth Proportional to 674,010.33, 930,141.64 and 368,095.70

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Solution

The fourth proportional to 674,010.33, 930,141.64 and 368,095.70 is: 507,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,010.33 : 930,141.64 = 368,095.70 : x
  2. Step 2: Convert to fraction form
    674,010.33/930,141.64 = 368,095.70/x
  3. Step 3: Cross multiply
    674,010.33x = 930,141.64 × 368,095.70
  4. Step 4: Simplify right side
    674,010.33x = 342,381,140,860.42
  5. Step 5: Solve for x
    x = 342,381,140,860.42/674,010.33
  6. Step 6: Final answer
    x = 507,976.11

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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.