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Finding the Fourth Proportional to 219,210.98, 328,826.04 and 69,462.31

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Solution

The fourth proportional to 219,210.98, 328,826.04 and 69,462.31 is: 104,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,210.98 : 328,826.04 = 69,462.31 : x
  2. Step 2: Convert to fraction form
    219,210.98/328,826.04 = 69,462.31/x
  3. Step 3: Cross multiply
    219,210.98x = 328,826.04 × 69,462.31
  4. Step 4: Simplify right side
    219,210.98x = 22,841,014,682.42
  5. Step 5: Solve for x
    x = 22,841,014,682.42/219,210.98
  6. Step 6: Final answer
    x = 104,196.49

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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.