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Finding the Fourth Proportional to 653,239.84, 901,447.86 and 366,772

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Solution

The fourth proportional to 653,239.84, 901,447.86 and 366,772 is: 506,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,239.84 : 901,447.86 = 366,772 : x
  2. Step 2: Convert to fraction form
    653,239.84/901,447.86 = 366,772/x
  3. Step 3: Cross multiply
    653,239.84x = 901,447.86 × 366,772
  4. Step 4: Simplify right side
    653,239.84x = 330,625,834,507.92
  5. Step 5: Solve for x
    x = 330,625,834,507.92/653,239.84
  6. Step 6: Final answer
    x = 506,132.38

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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.