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Finding the Fourth Proportional to 566,881.94, 782,297.04 and 312,233.12

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Solution

The fourth proportional to 566,881.94, 782,297.04 and 312,233.12 is: 430,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,881.94 : 782,297.04 = 312,233.12 : x
  2. Step 2: Convert to fraction form
    566,881.94/782,297.04 = 312,233.12/x
  3. Step 3: Cross multiply
    566,881.94x = 782,297.04 × 312,233.12
  4. Step 4: Simplify right side
    566,881.94x = 244,259,047,521.71
  5. Step 5: Solve for x
    x = 244,259,047,521.71/566,881.94
  6. Step 6: Final answer
    x = 430,881.69

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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.