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Finding the Fourth Proportional to 616,362.96, 850,564.50 and 344,433.08

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Solution

The fourth proportional to 616,362.96, 850,564.50 and 344,433.08 is: 475,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,362.96 : 850,564.50 = 344,433.08 : x
  2. Step 2: Convert to fraction form
    616,362.96/850,564.50 = 344,433.08/x
  3. Step 3: Cross multiply
    616,362.96x = 850,564.50 × 344,433.08
  4. Step 4: Simplify right side
    616,362.96x = 292,962,550,473.66
  5. Step 5: Solve for x
    x = 292,962,550,473.66/616,362.96
  6. Step 6: Final answer
    x = 475,308.49

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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.