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Finding the Fourth Proportional to 653.48, 900.97 and 429.38

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Solution

The fourth proportional to 653.48, 900.97 and 429.38 is: 592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.48 : 900.97 = 429.38 : x
  2. Step 2: Convert to fraction form
    653.48/900.97 = 429.38/x
  3. Step 3: Cross multiply
    653.48x = 900.97 × 429.38
  4. Step 4: Simplify right side
    653.48x = 386,853.99
  5. Step 5: Solve for x
    x = 386,853.99/653.48
  6. Step 6: Final answer
    x = 592.00

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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.