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Finding the Fourth Proportional to 653,136.72, 901,325.08 and 366,656.72

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Solution

The fourth proportional to 653,136.72, 901,325.08 and 366,656.72 is: 505,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,136.72 : 901,325.08 = 366,656.72 : x
  2. Step 2: Convert to fraction form
    653,136.72/901,325.08 = 366,656.72/x
  3. Step 3: Cross multiply
    653,136.72x = 901,325.08 × 366,656.72
  4. Step 4: Simplify right side
    653,136.72x = 330,476,897,486.54
  5. Step 5: Solve for x
    x = 330,476,897,486.54/653,136.72
  6. Step 6: Final answer
    x = 505,984.26

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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.