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Finding the Fourth Proportional to 583,248.30, 874,872.45 and 209,222.70

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Solution

The fourth proportional to 583,248.30, 874,872.45 and 209,222.70 is: 313,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,248.30 : 874,872.45 = 209,222.70 : x
  2. Step 2: Convert to fraction form
    583,248.30/874,872.45 = 209,222.70/x
  3. Step 3: Cross multiply
    583,248.30x = 874,872.45 × 209,222.70
  4. Step 4: Simplify right side
    583,248.30x = 183,043,176,144.62
  5. Step 5: Solve for x
    x = 183,043,176,144.62/583,248.30
  6. Step 6: Final answer
    x = 313,834.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.