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Finding the Fourth Proportional to 615,373.16, 923,215.62 and 188,930.76

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Solution

The fourth proportional to 615,373.16, 923,215.62 and 188,930.76 is: 283,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,373.16 : 923,215.62 = 188,930.76 : x
  2. Step 2: Convert to fraction form
    615,373.16/923,215.62 = 188,930.76/x
  3. Step 3: Cross multiply
    615,373.16x = 923,215.62 × 188,930.76
  4. Step 4: Simplify right side
    615,373.16x = 174,423,828,730.47
  5. Step 5: Solve for x
    x = 174,423,828,730.47/615,373.16
  6. Step 6: Final answer
    x = 283,444.00

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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.