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Finding the Fourth Proportional to 1,153.74, 1,730.80 and 598.28

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Solution

The fourth proportional to 1,153.74, 1,730.80 and 598.28 is: 897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.74 : 1,730.80 = 598.28 : x
  2. Step 2: Convert to fraction form
    1,153.74/1,730.80 = 598.28/x
  3. Step 3: Cross multiply
    1,153.74x = 1,730.80 × 598.28
  4. Step 4: Simplify right side
    1,153.74x = 1,035,503.02
  5. Step 5: Solve for x
    x = 1,035,503.02/1,153.74
  6. Step 6: Final answer
    x = 897.52

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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.