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Finding the Fourth Proportional to 620,995.84, 930,714.40 and 265,592

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Solution

The fourth proportional to 620,995.84, 930,714.40 and 265,592 is: 398,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,995.84 : 930,714.40 = 265,592 : x
  2. Step 2: Convert to fraction form
    620,995.84/930,714.40 = 265,592/x
  3. Step 3: Cross multiply
    620,995.84x = 930,714.40 × 265,592
  4. Step 4: Simplify right side
    620,995.84x = 247,190,298,924.80
  5. Step 5: Solve for x
    x = 247,190,298,924.80/620,995.84
  6. Step 6: Final answer
    x = 398,054.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.