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Finding the Fourth Proportional to 653,384.69, 901,279.94 and 411,246.89

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Solution

The fourth proportional to 653,384.69, 901,279.94 and 411,246.89 is: 567,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,384.69 : 901,279.94 = 411,246.89 : x
  2. Step 2: Convert to fraction form
    653,384.69/901,279.94 = 411,246.89/x
  3. Step 3: Cross multiply
    653,384.69x = 901,279.94 × 411,246.89
  4. Step 4: Simplify right side
    653,384.69x = 370,648,572,344.39
  5. Step 5: Solve for x
    x = 370,648,572,344.39/653,384.69
  6. Step 6: Final answer
    x = 567,274.65

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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.