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Finding the Fourth Proportional to 1,497.93, 2,246.74 and 402.40

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Solution

The fourth proportional to 1,497.93, 2,246.74 and 402.40 is: 603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.93 : 2,246.74 = 402.40 : x
  2. Step 2: Convert to fraction form
    1,497.93/2,246.74 = 402.40/x
  3. Step 3: Cross multiply
    1,497.93x = 2,246.74 × 402.40
  4. Step 4: Simplify right side
    1,497.93x = 904,088.18
  5. Step 5: Solve for x
    x = 904,088.18/1,497.93
  6. Step 6: Final answer
    x = 603.56

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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.