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Finding the Fourth Proportional to 1,303.84, 1,955.23 and 470.67

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Solution

The fourth proportional to 1,303.84, 1,955.23 and 470.67 is: 705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.84 : 1,955.23 = 470.67 : x
  2. Step 2: Convert to fraction form
    1,303.84/1,955.23 = 470.67/x
  3. Step 3: Cross multiply
    1,303.84x = 1,955.23 × 470.67
  4. Step 4: Simplify right side
    1,303.84x = 920,268.10
  5. Step 5: Solve for x
    x = 920,268.10/1,303.84
  6. Step 6: Final answer
    x = 705.81

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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.