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Finding the Fourth Proportional to 676,646.30, 933,771.86 and 370,734.29

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Solution

The fourth proportional to 676,646.30, 933,771.86 and 370,734.29 is: 511,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,646.30 : 933,771.86 = 370,734.29 : x
  2. Step 2: Convert to fraction form
    676,646.30/933,771.86 = 370,734.29/x
  3. Step 3: Cross multiply
    676,646.30x = 933,771.86 × 370,734.29
  4. Step 4: Simplify right side
    676,646.30x = 346,181,242,870.22
  5. Step 5: Solve for x
    x = 346,181,242,870.22/676,646.30
  6. Step 6: Final answer
    x = 511,613.30

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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.