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Finding the Fourth Proportional to 676,758.01, 933,913.71 and 401,301.17

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Solution

The fourth proportional to 676,758.01, 933,913.71 and 401,301.17 is: 553,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,758.01 : 933,913.71 = 401,301.17 : x
  2. Step 2: Convert to fraction form
    676,758.01/933,913.71 = 401,301.17/x
  3. Step 3: Cross multiply
    676,758.01x = 933,913.71 × 401,301.17
  4. Step 4: Simplify right side
    676,758.01x = 374,780,666,836.83
  5. Step 5: Solve for x
    x = 374,780,666,836.83/676,758.01
  6. Step 6: Final answer
    x = 553,788.30

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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.