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Finding the Fourth Proportional to 615,927.48, 923,893.36 and 189,460.41

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Solution

The fourth proportional to 615,927.48, 923,893.36 and 189,460.41 is: 284,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,927.48 : 923,893.36 = 189,460.41 : x
  2. Step 2: Convert to fraction form
    615,927.48/923,893.36 = 189,460.41/x
  3. Step 3: Cross multiply
    615,927.48x = 923,893.36 × 189,460.41
  4. Step 4: Simplify right side
    615,927.48x = 175,041,214,781.88
  5. Step 5: Solve for x
    x = 175,041,214,781.88/615,927.48
  6. Step 6: Final answer
    x = 284,191.27

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1.5x scale

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.