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Finding the Fourth Proportional to 452,005.86, 623,726.86 and 268,212.76

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Solution

The fourth proportional to 452,005.86, 623,726.86 and 268,212.76 is: 370,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,005.86 : 623,726.86 = 268,212.76 : x
  2. Step 2: Convert to fraction form
    452,005.86/623,726.86 = 268,212.76/x
  3. Step 3: Cross multiply
    452,005.86x = 623,726.86 × 268,212.76
  4. Step 4: Simplify right side
    452,005.86x = 167,291,501,382.68
  5. Step 5: Solve for x
    x = 167,291,501,382.68/452,005.86
  6. Step 6: Final answer
    x = 370,109.14

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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.