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Finding the Fourth Proportional to 616,176.40, 850,293 and 344,190.32

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Solution

The fourth proportional to 616,176.40, 850,293 and 344,190.32 is: 474,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,176.40 : 850,293 = 344,190.32 : x
  2. Step 2: Convert to fraction form
    616,176.40/850,293 = 344,190.32/x
  3. Step 3: Cross multiply
    616,176.40x = 850,293 × 344,190.32
  4. Step 4: Simplify right side
    616,176.40x = 292,662,619,763.76
  5. Step 5: Solve for x
    x = 292,662,619,763.76/616,176.40
  6. Step 6: Final answer
    x = 474,965.64

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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.