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Finding the Fourth Proportional to 614,835, 922,388.76 and 188,429.76

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Solution

The fourth proportional to 614,835, 922,388.76 and 188,429.76 is: 282,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,835 : 922,388.76 = 188,429.76 : x
  2. Step 2: Convert to fraction form
    614,835/922,388.76 = 188,429.76/x
  3. Step 3: Cross multiply
    614,835x = 922,388.76 × 188,429.76
  4. Step 4: Simplify right side
    614,835x = 173,805,492,673.50
  5. Step 5: Solve for x
    x = 173,805,492,673.50/614,835
  6. Step 6: Final answer
    x = 282,686.40

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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.