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Finding the Fourth Proportional to 407,456.34, 562,325.32 and 237,745.14

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Solution

The fourth proportional to 407,456.34, 562,325.32 and 237,745.14 is: 328,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,456.34 : 562,325.32 = 237,745.14 : x
  2. Step 2: Convert to fraction form
    407,456.34/562,325.32 = 237,745.14/x
  3. Step 3: Cross multiply
    407,456.34x = 562,325.32 × 237,745.14
  4. Step 4: Simplify right side
    407,456.34x = 133,690,111,928.95
  5. Step 5: Solve for x
    x = 133,690,111,928.95/407,456.34
  6. Step 6: Final answer
    x = 328,109.05

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1.5x scale

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.