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Finding the Fourth Proportional to 657,680.04, 907,555.59 and 371,161.17

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Solution

The fourth proportional to 657,680.04, 907,555.59 and 371,161.17 is: 512,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,680.04 : 907,555.59 = 371,161.17 : x
  2. Step 2: Convert to fraction form
    657,680.04/907,555.59 = 371,161.17/x
  3. Step 3: Cross multiply
    657,680.04x = 907,555.59 × 371,161.17
  4. Step 4: Simplify right side
    657,680.04x = 336,849,394,624.44
  5. Step 5: Solve for x
    x = 336,849,394,624.44/657,680.04
  6. Step 6: Final answer
    x = 512,178.22

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Double scale
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Similar ratio
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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.