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Finding the Fourth Proportional to 674,282.16, 930,510.01 and 368,363.65

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Solution

The fourth proportional to 674,282.16, 930,510.01 and 368,363.65 is: 508,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,282.16 : 930,510.01 = 368,363.65 : x
  2. Step 2: Convert to fraction form
    674,282.16/930,510.01 = 368,363.65/x
  3. Step 3: Cross multiply
    674,282.16x = 930,510.01 × 368,363.65
  4. Step 4: Simplify right side
    674,282.16x = 342,766,063,645.14
  5. Step 5: Solve for x
    x = 342,766,063,645.14/674,282.16
  6. Step 6: Final answer
    x = 508,342.18

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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.