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Finding the Fourth Proportional to 668,248.69, 922,126.18 and 377,846.02

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Solution

The fourth proportional to 668,248.69, 922,126.18 and 377,846.02 is: 521,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,248.69 : 922,126.18 = 377,846.02 : x
  2. Step 2: Convert to fraction form
    668,248.69/922,126.18 = 377,846.02/x
  3. Step 3: Cross multiply
    668,248.69x = 922,126.18 × 377,846.02
  4. Step 4: Simplify right side
    668,248.69x = 348,421,702,856.26
  5. Step 5: Solve for x
    x = 348,421,702,856.26/668,248.69
  6. Step 6: Final answer
    x = 521,395.26

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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.