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Finding the Fourth Proportional to 676,735, 933,924.90 and 374,929

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Solution

The fourth proportional to 676,735, 933,924.90 and 374,929 is: 517,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,735 : 933,924.90 = 374,929 : x
  2. Step 2: Convert to fraction form
    676,735/933,924.90 = 374,929/x
  3. Step 3: Cross multiply
    676,735x = 933,924.90 × 374,929
  4. Step 4: Simplify right side
    676,735x = 350,155,528,832.10
  5. Step 5: Solve for x
    x = 350,155,528,832.10/676,735
  6. Step 6: Final answer
    x = 517,418.97

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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.