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Finding the Fourth Proportional to 676,552.52, 933,642.88 and 370,640.02

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Solution

The fourth proportional to 676,552.52, 933,642.88 and 370,640.02 is: 511,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,552.52 : 933,642.88 = 370,640.02 : x
  2. Step 2: Convert to fraction form
    676,552.52/933,642.88 = 370,640.02/x
  3. Step 3: Cross multiply
    676,552.52x = 933,642.88 × 370,640.02
  4. Step 4: Simplify right side
    676,552.52x = 346,045,415,716.06
  5. Step 5: Solve for x
    x = 346,045,415,716.06/676,552.52
  6. Step 6: Final answer
    x = 511,483.45

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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.