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Finding the Fourth Proportional to 219,296.66, 328,956.95 and 69,526.12

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Solution

The fourth proportional to 219,296.66, 328,956.95 and 69,526.12 is: 104,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,296.66 : 328,956.95 = 69,526.12 : x
  2. Step 2: Convert to fraction form
    219,296.66/328,956.95 = 69,526.12/x
  3. Step 3: Cross multiply
    219,296.66x = 328,956.95 × 69,526.12
  4. Step 4: Simplify right side
    219,296.66x = 22,871,099,210.51
  5. Step 5: Solve for x
    x = 22,871,099,210.51/219,296.66
  6. Step 6: Final answer
    x = 104,292.97

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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.