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Finding the Fourth Proportional to 456,653.84, 684,900.56 and 141,113.48

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Solution

The fourth proportional to 456,653.84, 684,900.56 and 141,113.48 is: 211,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,653.84 : 684,900.56 = 141,113.48 : x
  2. Step 2: Convert to fraction form
    456,653.84/684,900.56 = 141,113.48/x
  3. Step 3: Cross multiply
    456,653.84x = 684,900.56 × 141,113.48
  4. Step 4: Simplify right side
    456,653.84x = 96,648,697,345.48
  5. Step 5: Solve for x
    x = 96,648,697,345.48/456,653.84
  6. Step 6: Final answer
    x = 211,645.43

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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.