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Finding the Fourth Proportional to 370,661.34, 555,992.01 and 90,176.16

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Solution

The fourth proportional to 370,661.34, 555,992.01 and 90,176.16 is: 135,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,661.34 : 555,992.01 = 90,176.16 : x
  2. Step 2: Convert to fraction form
    370,661.34/555,992.01 = 90,176.16/x
  3. Step 3: Cross multiply
    370,661.34x = 555,992.01 × 90,176.16
  4. Step 4: Simplify right side
    370,661.34x = 50,137,224,452.48
  5. Step 5: Solve for x
    x = 50,137,224,452.48/370,661.34
  6. Step 6: Final answer
    x = 135,264.24

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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.