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Finding the Fourth Proportional to 676,633.93, 933,754.30 and 370,729.40

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Solution

The fourth proportional to 676,633.93, 933,754.30 and 370,729.40 is: 511,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,633.93 : 933,754.30 = 370,729.40 : x
  2. Step 2: Convert to fraction form
    676,633.93/933,754.30 = 370,729.40/x
  3. Step 3: Cross multiply
    676,633.93x = 933,754.30 × 370,729.40
  4. Step 4: Simplify right side
    676,633.93x = 346,170,171,386.42
  5. Step 5: Solve for x
    x = 346,170,171,386.42/676,633.93
  6. Step 6: Final answer
    x = 511,606.29

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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.