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Finding the Fourth Proportional to 671,535.46, 926,717.22 and 369,729.46

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Solution

The fourth proportional to 671,535.46, 926,717.22 and 369,729.46 is: 510,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,535.46 : 926,717.22 = 369,729.46 : x
  2. Step 2: Convert to fraction form
    671,535.46/926,717.22 = 369,729.46/x
  3. Step 3: Cross multiply
    671,535.46x = 926,717.22 × 369,729.46
  4. Step 4: Simplify right side
    671,535.46x = 342,634,657,323.30
  5. Step 5: Solve for x
    x = 342,634,657,323.30/671,535.46
  6. Step 6: Final answer
    x = 510,225.71

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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.