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Finding the Fourth Proportional to 653,003.62, 901,136.01 and 366,518.50

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Solution

The fourth proportional to 653,003.62, 901,136.01 and 366,518.50 is: 505,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,003.62 : 901,136.01 = 366,518.50 : x
  2. Step 2: Convert to fraction form
    653,003.62/901,136.01 = 366,518.50/x
  3. Step 3: Cross multiply
    653,003.62x = 901,136.01 × 366,518.50
  4. Step 4: Simplify right side
    653,003.62x = 330,283,018,681.19
  5. Step 5: Solve for x
    x = 330,283,018,681.19/653,003.62
  6. Step 6: Final answer
    x = 505,790.49

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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.