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Finding the Fourth Proportional to 676,544.82, 933,621.30 and 370,618.62

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Solution

The fourth proportional to 676,544.82, 933,621.30 and 370,618.62 is: 511,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,544.82 : 933,621.30 = 370,618.62 : x
  2. Step 2: Convert to fraction form
    676,544.82/933,621.30 = 370,618.62/x
  3. Step 3: Cross multiply
    676,544.82x = 933,621.30 × 370,618.62
  4. Step 4: Simplify right side
    676,544.82x = 346,017,437,808.61
  5. Step 5: Solve for x
    x = 346,017,437,808.61/676,544.82
  6. Step 6: Final answer
    x = 511,447.92

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1.5x scale

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.