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Finding the Fourth Proportional to 676,366.70, 933,348.83 and 370,383.70

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Solution

The fourth proportional to 676,366.70, 933,348.83 and 370,383.70 is: 511,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,366.70 : 933,348.83 = 370,383.70 : x
  2. Step 2: Convert to fraction form
    676,366.70/933,348.83 = 370,383.70/x
  3. Step 3: Cross multiply
    676,366.70x = 933,348.83 × 370,383.70
  4. Step 4: Simplify right side
    676,366.70x = 345,697,192,497.59
  5. Step 5: Solve for x
    x = 345,697,192,497.59/676,366.70
  6. Step 6: Final answer
    x = 511,109.13

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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.