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Finding the Fourth Proportional to 403,777.80, 604,937.70 and 235,160.10

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Solution

The fourth proportional to 403,777.80, 604,937.70 and 235,160.10 is: 352,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,777.80 : 604,937.70 = 235,160.10 : x
  2. Step 2: Convert to fraction form
    403,777.80/604,937.70 = 235,160.10/x
  3. Step 3: Cross multiply
    403,777.80x = 604,937.70 × 235,160.10
  4. Step 4: Simplify right side
    403,777.80x = 142,257,210,025.77
  5. Step 5: Solve for x
    x = 142,257,210,025.77/403,777.80
  6. Step 6: Final answer
    x = 352,315.58

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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.