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Finding the Fourth Proportional to 562,278.33, 775,962.60 and 307,623.69

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Solution

The fourth proportional to 562,278.33, 775,962.60 and 307,623.69 is: 424,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,278.33 : 775,962.60 = 307,623.69 : x
  2. Step 2: Convert to fraction form
    562,278.33/775,962.60 = 307,623.69/x
  3. Step 3: Cross multiply
    562,278.33x = 775,962.60 × 307,623.69
  4. Step 4: Simplify right side
    562,278.33x = 238,704,472,896.06
  5. Step 5: Solve for x
    x = 238,704,472,896.06/562,278.33
  6. Step 6: Final answer
    x = 424,530.81

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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.