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Finding the Fourth Proportional to 326,053, 450,706.26 and 272,022.76

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Solution

The fourth proportional to 326,053, 450,706.26 and 272,022.76 is: 376,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,053 : 450,706.26 = 272,022.76 : x
  2. Step 2: Convert to fraction form
    326,053/450,706.26 = 272,022.76/x
  3. Step 3: Cross multiply
    326,053x = 450,706.26 × 272,022.76
  4. Step 4: Simplify right side
    326,053x = 122,602,360,794.48
  5. Step 5: Solve for x
    x = 122,602,360,794.48/326,053
  6. Step 6: Final answer
    x = 376,019.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.