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Finding the Fourth Proportional to 584,209.13, 806,208.59 and 315,937.13

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Solution

The fourth proportional to 584,209.13, 806,208.59 and 315,937.13 is: 435,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,209.13 : 806,208.59 = 315,937.13 : x
  2. Step 2: Convert to fraction form
    584,209.13/806,208.59 = 315,937.13/x
  3. Step 3: Cross multiply
    584,209.13x = 806,208.59 × 315,937.13
  4. Step 4: Simplify right side
    584,209.13x = 254,711,224,864.75
  5. Step 5: Solve for x
    x = 254,711,224,864.75/584,209.13
  6. Step 6: Final answer
    x = 435,993.23

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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.