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Finding the Fourth Proportional to 614,837, 922,391.76 and 188,431.76

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Solution

The fourth proportional to 614,837, 922,391.76 and 188,431.76 is: 282,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,837 : 922,391.76 = 188,431.76 : x
  2. Step 2: Convert to fraction form
    614,837/922,391.76 = 188,431.76/x
  3. Step 3: Cross multiply
    614,837x = 922,391.76 × 188,431.76
  4. Step 4: Simplify right side
    614,837x = 173,807,902,746.30
  5. Step 5: Solve for x
    x = 173,807,902,746.30/614,837
  6. Step 6: Final answer
    x = 282,689.40

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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.