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Finding the Fourth Proportional to 219,349.32, 329,070.48 and 69,569.94

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Solution

The fourth proportional to 219,349.32, 329,070.48 and 69,569.94 is: 104,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,349.32 : 329,070.48 = 69,569.94 : x
  2. Step 2: Convert to fraction form
    219,349.32/329,070.48 = 69,569.94/x
  3. Step 3: Cross multiply
    219,349.32x = 329,070.48 × 69,569.94
  4. Step 4: Simplify right side
    219,349.32x = 22,893,413,549.37
  5. Step 5: Solve for x
    x = 22,893,413,549.37/219,349.32
  6. Step 6: Final answer
    x = 104,369.66

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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.