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Finding the Fourth Proportional to 322,187.19, 483,368.27 and 97,555.16

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Solution

The fourth proportional to 322,187.19, 483,368.27 and 97,555.16 is: 146,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,187.19 : 483,368.27 = 97,555.16 : x
  2. Step 2: Convert to fraction form
    322,187.19/483,368.27 = 97,555.16/x
  3. Step 3: Cross multiply
    322,187.19x = 483,368.27 × 97,555.16
  4. Step 4: Simplify right side
    322,187.19x = 47,155,066,014.16
  5. Step 5: Solve for x
    x = 47,155,066,014.16/322,187.19
  6. Step 6: Final answer
    x = 146,359.22

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1.5x scale

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.