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Finding the Fourth Proportional to 677,184.50, 934,525.15 and 371,288.81

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Solution

The fourth proportional to 677,184.50, 934,525.15 and 371,288.81 is: 512,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,184.50 : 934,525.15 = 371,288.81 : x
  2. Step 2: Convert to fraction form
    677,184.50/934,525.15 = 371,288.81/x
  3. Step 3: Cross multiply
    677,184.50x = 934,525.15 × 371,288.81
  4. Step 4: Simplify right side
    677,184.50x = 346,978,732,266.66
  5. Step 5: Solve for x
    x = 346,978,732,266.66/677,184.50
  6. Step 6: Final answer
    x = 512,384.34

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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.