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Finding the Fourth Proportional to 522,712.26, 721,596.31 and 350,567.34

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Solution

The fourth proportional to 522,712.26, 721,596.31 and 350,567.34 is: 483,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,712.26 : 721,596.31 = 350,567.34 : x
  2. Step 2: Convert to fraction form
    522,712.26/721,596.31 = 350,567.34/x
  3. Step 3: Cross multiply
    522,712.26x = 721,596.31 × 350,567.34
  4. Step 4: Simplify right side
    522,712.26x = 252,968,095,368.11
  5. Step 5: Solve for x
    x = 252,968,095,368.11/522,712.26
  6. Step 6: Final answer
    x = 483,952.86

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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.