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Finding the Fourth Proportional to 676,551.52, 933,641.50 and 370,639.02

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Solution

The fourth proportional to 676,551.52, 933,641.50 and 370,639.02 is: 511,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,551.52 : 933,641.50 = 370,639.02 : x
  2. Step 2: Convert to fraction form
    676,551.52/933,641.50 = 370,639.02/x
  3. Step 3: Cross multiply
    676,551.52x = 933,641.50 × 370,639.02
  4. Step 4: Simplify right side
    676,551.52x = 346,043,970,591.33
  5. Step 5: Solve for x
    x = 346,043,970,591.33/676,551.52
  6. Step 6: Final answer
    x = 511,482.07

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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.