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Finding the Fourth Proportional to 357,602.37, 535,904.79 and 268,751.85

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Solution

The fourth proportional to 357,602.37, 535,904.79 and 268,751.85 is: 402,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,602.37 : 535,904.79 = 268,751.85 : x
  2. Step 2: Convert to fraction form
    357,602.37/535,904.79 = 268,751.85/x
  3. Step 3: Cross multiply
    357,602.37x = 535,904.79 × 268,751.85
  4. Step 4: Simplify right side
    357,602.37x = 144,025,403,736.36
  5. Step 5: Solve for x
    x = 144,025,403,736.36/357,602.37
  6. Step 6: Final answer
    x = 402,752.93

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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.