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Finding the Fourth Proportional to 671,132.83, 926,163.45 and 369,326.83

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Solution

The fourth proportional to 671,132.83, 926,163.45 and 369,326.83 is: 509,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,132.83 : 926,163.45 = 369,326.83 : x
  2. Step 2: Convert to fraction form
    671,132.83/926,163.45 = 369,326.83/x
  3. Step 3: Cross multiply
    671,132.83x = 926,163.45 × 369,326.83
  4. Step 4: Simplify right side
    671,132.83x = 342,057,011,050.36
  5. Step 5: Solve for x
    x = 342,057,011,050.36/671,132.83
  6. Step 6: Final answer
    x = 509,671.10

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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.