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Finding the Fourth Proportional to 615,965, 850,031.70 and 333,341

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Solution

The fourth proportional to 615,965, 850,031.70 and 333,341 is: 460,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,965 : 850,031.70 = 333,341 : x
  2. Step 2: Convert to fraction form
    615,965/850,031.70 = 333,341/x
  3. Step 3: Cross multiply
    615,965x = 850,031.70 × 333,341
  4. Step 4: Simplify right side
    615,965x = 283,350,416,909.70
  5. Step 5: Solve for x
    x = 283,350,416,909.70/615,965
  6. Step 6: Final answer
    x = 460,010.58

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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.