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Finding the Fourth Proportional to 922,494.84, 1,273,068.54 and 540,537.72

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Solution

The fourth proportional to 922,494.84, 1,273,068.54 and 540,537.72 is: 745,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,494.84 : 1,273,068.54 = 540,537.72 : x
  2. Step 2: Convert to fraction form
    922,494.84/1,273,068.54 = 540,537.72/x
  3. Step 3: Cross multiply
    922,494.84x = 1,273,068.54 × 540,537.72
  4. Step 4: Simplify right side
    922,494.84x = 688,141,566,015.33
  5. Step 5: Solve for x
    x = 688,141,566,015.33/922,494.84
  6. Step 6: Final answer
    x = 745,957.09

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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.