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Finding the Fourth Proportional to 493,390.49, 740,345.04 and 350,220.24

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Solution

The fourth proportional to 493,390.49, 740,345.04 and 350,220.24 is: 525,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,390.49 : 740,345.04 = 350,220.24 : x
  2. Step 2: Convert to fraction form
    493,390.49/740,345.04 = 350,220.24/x
  3. Step 3: Cross multiply
    493,390.49x = 740,345.04 × 350,220.24
  4. Step 4: Simplify right side
    493,390.49x = 259,283,817,591.61
  5. Step 5: Solve for x
    x = 259,283,817,591.61/493,390.49
  6. Step 6: Final answer
    x = 525,514.43

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1.5x scale

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.