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Finding the Fourth Proportional to 668,355.98, 922,333.29 and 362,432.12

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Solution

The fourth proportional to 668,355.98, 922,333.29 and 362,432.12 is: 500,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,355.98 : 922,333.29 = 362,432.12 : x
  2. Step 2: Convert to fraction form
    668,355.98/922,333.29 = 362,432.12/x
  3. Step 3: Cross multiply
    668,355.98x = 922,333.29 × 362,432.12
  4. Step 4: Simplify right side
    668,355.98x = 334,283,209,641.28
  5. Step 5: Solve for x
    x = 334,283,209,641.28/668,355.98
  6. Step 6: Final answer
    x = 500,157.43

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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.