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Finding the Fourth Proportional to 581,136.72, 801,925.48 and 326,530.32

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Solution

The fourth proportional to 581,136.72, 801,925.48 and 326,530.32 is: 450,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,136.72 : 801,925.48 = 326,530.32 : x
  2. Step 2: Convert to fraction form
    581,136.72/801,925.48 = 326,530.32/x
  3. Step 3: Cross multiply
    581,136.72x = 801,925.48 × 326,530.32
  4. Step 4: Simplify right side
    581,136.72x = 261,852,983,600.55
  5. Step 5: Solve for x
    x = 261,852,983,600.55/581,136.72
  6. Step 6: Final answer
    x = 450,587.57

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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.