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Finding the Fourth Proportional to 665,352.59, 918,186.53 and 363,546.59

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Solution

The fourth proportional to 665,352.59, 918,186.53 and 363,546.59 is: 501,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,352.59 : 918,186.53 = 363,546.59 : x
  2. Step 2: Convert to fraction form
    665,352.59/918,186.53 = 363,546.59/x
  3. Step 3: Cross multiply
    665,352.59x = 918,186.53 × 363,546.59
  4. Step 4: Simplify right side
    665,352.59x = 333,803,575,556.77
  5. Step 5: Solve for x
    x = 333,803,575,556.77/665,352.59
  6. Step 6: Final answer
    x = 501,694.26

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Double scale
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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.