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Finding the Fourth Proportional to 452,015.82, 623,740.58 and 268,222.71

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Solution

The fourth proportional to 452,015.82, 623,740.58 and 268,222.71 is: 370,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,015.82 : 623,740.58 = 268,222.71 : x
  2. Step 2: Convert to fraction form
    452,015.82/623,740.58 = 268,222.71/x
  3. Step 3: Cross multiply
    452,015.82x = 623,740.58 × 268,222.71
  4. Step 4: Simplify right side
    452,015.82x = 167,301,387,363.46
  5. Step 5: Solve for x
    x = 167,301,387,363.46/452,015.82
  6. Step 6: Final answer
    x = 370,122.86

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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.