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Finding the Fourth Proportional to 676,551.76, 933,641.84 and 370,639.27

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Solution

The fourth proportional to 676,551.76, 933,641.84 and 370,639.27 is: 511,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,551.76 : 933,641.84 = 370,639.27 : x
  2. Step 2: Convert to fraction form
    676,551.76/933,641.84 = 370,639.27/x
  3. Step 3: Cross multiply
    676,551.76x = 933,641.84 × 370,639.27
  4. Step 4: Simplify right side
    676,551.76x = 346,044,330,019.06
  5. Step 5: Solve for x
    x = 346,044,330,019.06/676,551.76
  6. Step 6: Final answer
    x = 511,482.42

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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.