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Finding the Fourth Proportional to 350,366.64, 525,530.52 and 311,370

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Solution

The fourth proportional to 350,366.64, 525,530.52 and 311,370 is: 467,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,366.64 : 525,530.52 = 311,370 : x
  2. Step 2: Convert to fraction form
    350,366.64/525,530.52 = 311,370/x
  3. Step 3: Cross multiply
    350,366.64x = 525,530.52 × 311,370
  4. Step 4: Simplify right side
    350,366.64x = 163,634,438,012.40
  5. Step 5: Solve for x
    x = 163,634,438,012.40/350,366.64
  6. Step 6: Final answer
    x = 467,037.72

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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.