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Finding the Fourth Proportional to 526.60, 788.76 and 382

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Solution

The fourth proportional to 526.60, 788.76 and 382 is: 572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.60 : 788.76 = 382 : x
  2. Step 2: Convert to fraction form
    526.60/788.76 = 382/x
  3. Step 3: Cross multiply
    526.60x = 788.76 × 382
  4. Step 4: Simplify right side
    526.60x = 301,306.32
  5. Step 5: Solve for x
    x = 301,306.32/526.60
  6. Step 6: Final answer
    x = 572.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.