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Finding the Fourth Proportional to 250,820.01, 376,008.53 and 191,918.66

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Solution

The fourth proportional to 250,820.01, 376,008.53 and 191,918.66 is: 287,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,820.01 : 376,008.53 = 191,918.66 : x
  2. Step 2: Convert to fraction form
    250,820.01/376,008.53 = 191,918.66/x
  3. Step 3: Cross multiply
    250,820.01x = 376,008.53 × 191,918.66
  4. Step 4: Simplify right side
    250,820.01x = 72,163,050,386.53
  5. Step 5: Solve for x
    x = 72,163,050,386.53/250,820.01
  6. Step 6: Final answer
    x = 287,708.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.