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Finding the Fourth Proportional to 676,807.71, 933,994.65 and 370,896.13

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Solution

The fourth proportional to 676,807.71, 933,994.65 and 370,896.13 is: 511,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,807.71 : 933,994.65 = 370,896.13 : x
  2. Step 2: Convert to fraction form
    676,807.71/933,994.65 = 370,896.13/x
  3. Step 3: Cross multiply
    676,807.71x = 933,994.65 × 370,896.13
  4. Step 4: Simplify right side
    676,807.71x = 346,415,001,125.71
  5. Step 5: Solve for x
    x = 346,415,001,125.71/676,807.71
  6. Step 6: Final answer
    x = 511,836.66

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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.