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Finding the Fourth Proportional to 668,533, 922,575.72 and 366,727

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Solution

The fourth proportional to 668,533, 922,575.72 and 366,727 is: 506,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,533 : 922,575.72 = 366,727 : x
  2. Step 2: Convert to fraction form
    668,533/922,575.72 = 366,727/x
  3. Step 3: Cross multiply
    668,533x = 922,575.72 × 366,727
  4. Step 4: Simplify right side
    668,533x = 338,333,426,068.44
  5. Step 5: Solve for x
    x = 338,333,426,068.44/668,533
  6. Step 6: Final answer
    x = 506,083.36

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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.