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Finding the Fourth Proportional to 924,612.48, 1,275,990.48 and 522,204.48

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Solution

The fourth proportional to 924,612.48, 1,275,990.48 and 522,204.48 is: 720,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,612.48 : 1,275,990.48 = 522,204.48 : x
  2. Step 2: Convert to fraction form
    924,612.48/1,275,990.48 = 522,204.48/x
  3. Step 3: Cross multiply
    924,612.48x = 1,275,990.48 × 522,204.48
  4. Step 4: Simplify right side
    924,612.48x = 666,327,945,093.35
  5. Step 5: Solve for x
    x = 666,327,945,093.35/924,612.48
  6. Step 6: Final answer
    x = 720,656.45

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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.