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Finding the Fourth Proportional to 576,416.32, 864,656.01 and 239,491.04

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Solution

The fourth proportional to 576,416.32, 864,656.01 and 239,491.04 is: 359,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,416.32 : 864,656.01 = 239,491.04 : x
  2. Step 2: Convert to fraction form
    576,416.32/864,656.01 = 239,491.04/x
  3. Step 3: Cross multiply
    576,416.32x = 864,656.01 × 239,491.04
  4. Step 4: Simplify right side
    576,416.32x = 207,077,362,753.87
  5. Step 5: Solve for x
    x = 207,077,362,753.87/576,416.32
  6. Step 6: Final answer
    x = 359,249.65

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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.