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Finding the Fourth Proportional to 566,690.50, 782,014.53 and 312,035.14

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Solution

The fourth proportional to 566,690.50, 782,014.53 and 312,035.14 is: 430,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,690.50 : 782,014.53 = 312,035.14 : x
  2. Step 2: Convert to fraction form
    566,690.50/782,014.53 = 312,035.14/x
  3. Step 3: Cross multiply
    566,690.50x = 782,014.53 × 312,035.14
  4. Step 4: Simplify right side
    566,690.50x = 244,016,013,350.58
  5. Step 5: Solve for x
    x = 244,016,013,350.58/566,690.50
  6. Step 6: Final answer
    x = 430,598.38

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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.