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Finding the Fourth Proportional to 566,875.16, 782,288.52 and 308,753.12

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Solution

The fourth proportional to 566,875.16, 782,288.52 and 308,753.12 is: 426,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,875.16 : 782,288.52 = 308,753.12 : x
  2. Step 2: Convert to fraction form
    566,875.16/782,288.52 = 308,753.12/x
  3. Step 3: Cross multiply
    566,875.16x = 782,288.52 × 308,753.12
  4. Step 4: Simplify right side
    566,875.16x = 241,534,021,290.18
  5. Step 5: Solve for x
    x = 241,534,021,290.18/566,875.16
  6. Step 6: Final answer
    x = 426,079.74

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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.