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Finding the Fourth Proportional to 653,184.60, 901,332.50 and 366,639

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Solution

The fourth proportional to 653,184.60, 901,332.50 and 366,639 is: 505,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,184.60 : 901,332.50 = 366,639 : x
  2. Step 2: Convert to fraction form
    653,184.60/901,332.50 = 366,639/x
  3. Step 3: Cross multiply
    653,184.60x = 901,332.50 × 366,639
  4. Step 4: Simplify right side
    653,184.60x = 330,463,646,467.50
  5. Step 5: Solve for x
    x = 330,463,646,467.50/653,184.60
  6. Step 6: Final answer
    x = 505,926.88

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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.