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Finding the Fourth Proportional to 637,357.86, 955,336.95 and 216,316.62

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Solution

The fourth proportional to 637,357.86, 955,336.95 and 216,316.62 is: 324,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,357.86 : 955,336.95 = 216,316.62 : x
  2. Step 2: Convert to fraction form
    637,357.86/955,336.95 = 216,316.62/x
  3. Step 3: Cross multiply
    637,357.86x = 955,336.95 × 216,316.62
  4. Step 4: Simplify right side
    637,357.86x = 206,655,259,985.11
  5. Step 5: Solve for x
    x = 206,655,259,985.11/637,357.86
  6. Step 6: Final answer
    x = 324,237.41

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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.