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Finding the Fourth Proportional to 275,846.08, 380,667.84 and 156,614.08

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Solution

The fourth proportional to 275,846.08, 380,667.84 and 156,614.08 is: 216,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,846.08 : 380,667.84 = 156,614.08 : x
  2. Step 2: Convert to fraction form
    275,846.08/380,667.84 = 156,614.08/x
  3. Step 3: Cross multiply
    275,846.08x = 380,667.84 × 156,614.08
  4. Step 4: Simplify right side
    275,846.08x = 59,617,943,547.19
  5. Step 5: Solve for x
    x = 59,617,943,547.19/275,846.08
  6. Step 6: Final answer
    x = 216,127.57

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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.