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Finding the Fourth Proportional to 1,088.35, 1,501.90 and 590.98

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Solution

The fourth proportional to 1,088.35, 1,501.90 and 590.98 is: 815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.35 : 1,501.90 = 590.98 : x
  2. Step 2: Convert to fraction form
    1,088.35/1,501.90 = 590.98/x
  3. Step 3: Cross multiply
    1,088.35x = 1,501.90 × 590.98
  4. Step 4: Simplify right side
    1,088.35x = 887,600.94
  5. Step 5: Solve for x
    x = 887,600.94/1,088.35
  6. Step 6: Final answer
    x = 815.55

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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.