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Finding the Fourth Proportional to 664,375.22, 916,838.97 and 362,569.22

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Solution

The fourth proportional to 664,375.22, 916,838.97 and 362,569.22 is: 500,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,375.22 : 916,838.97 = 362,569.22 : x
  2. Step 2: Convert to fraction form
    664,375.22/916,838.97 = 362,569.22/x
  3. Step 3: Cross multiply
    664,375.22x = 916,838.97 × 362,569.22
  4. Step 4: Simplify right side
    664,375.22x = 332,417,590,218.50
  5. Step 5: Solve for x
    x = 332,417,590,218.50/664,375.22
  6. Step 6: Final answer
    x = 500,346.16

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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.