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Finding the Fourth Proportional to 562,009.62, 775,593.01 and 320,253.18

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Solution

The fourth proportional to 562,009.62, 775,593.01 and 320,253.18 is: 441,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,009.62 : 775,593.01 = 320,253.18 : x
  2. Step 2: Convert to fraction form
    562,009.62/775,593.01 = 320,253.18/x
  3. Step 3: Cross multiply
    562,009.62x = 775,593.01 × 320,253.18
  4. Step 4: Simplify right side
    562,009.62x = 248,386,125,330.12
  5. Step 5: Solve for x
    x = 248,386,125,330.12/562,009.62
  6. Step 6: Final answer
    x = 441,960.63

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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.