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Finding the Fourth Proportional to 653.34, 901.98 and 404.76

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Solution

The fourth proportional to 653.34, 901.98 and 404.76 is: 558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.34 : 901.98 = 404.76 : x
  2. Step 2: Convert to fraction form
    653.34/901.98 = 404.76/x
  3. Step 3: Cross multiply
    653.34x = 901.98 × 404.76
  4. Step 4: Simplify right side
    653.34x = 365,085.42
  5. Step 5: Solve for x
    x = 365,085.42/653.34
  6. Step 6: Final answer
    x = 558.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.