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Finding the Fourth Proportional to 615,996, 924,362.64 and 265,788

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Solution

The fourth proportional to 615,996, 924,362.64 and 265,788 is: 398,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,996 : 924,362.64 = 265,788 : x
  2. Step 2: Convert to fraction form
    615,996/924,362.64 = 265,788/x
  3. Step 3: Cross multiply
    615,996x = 924,362.64 × 265,788
  4. Step 4: Simplify right side
    615,996x = 245,684,497,360.32
  5. Step 5: Solve for x
    x = 245,684,497,360.32/615,996
  6. Step 6: Final answer
    x = 398,841.06

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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.