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Finding the Fourth Proportional to 615,578.70, 923,281.65 and 194,897.10

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Solution

The fourth proportional to 615,578.70, 923,281.65 and 194,897.10 is: 292,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,578.70 : 923,281.65 = 194,897.10 : x
  2. Step 2: Convert to fraction form
    615,578.70/923,281.65 = 194,897.10/x
  3. Step 3: Cross multiply
    615,578.70x = 923,281.65 × 194,897.10
  4. Step 4: Simplify right side
    615,578.70x = 179,944,916,068.22
  5. Step 5: Solve for x
    x = 179,944,916,068.22/615,578.70
  6. Step 6: Final answer
    x = 292,318.30

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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.