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Finding the Fourth Proportional to 1,017.46, 1,526.36 and 368.35

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Solution

The fourth proportional to 1,017.46, 1,526.36 and 368.35 is: 552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.46 : 1,526.36 = 368.35 : x
  2. Step 2: Convert to fraction form
    1,017.46/1,526.36 = 368.35/x
  3. Step 3: Cross multiply
    1,017.46x = 1,526.36 × 368.35
  4. Step 4: Simplify right side
    1,017.46x = 562,234.71
  5. Step 5: Solve for x
    x = 562,234.71/1,017.46
  6. Step 6: Final answer
    x = 552.59

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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.