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Finding the Fourth Proportional to 748,404.84, 1,123,317 and 463,232.77

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Solution

The fourth proportional to 748,404.84, 1,123,317 and 463,232.77 is: 695,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,404.84 : 1,123,317 = 463,232.77 : x
  2. Step 2: Convert to fraction form
    748,404.84/1,123,317 = 463,232.77/x
  3. Step 3: Cross multiply
    748,404.84x = 1,123,317 × 463,232.77
  4. Step 4: Simplify right side
    748,404.84x = 520,357,245,498.09
  5. Step 5: Solve for x
    x = 520,357,245,498.09/748,404.84
  6. Step 6: Final answer
    x = 695,288.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.