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Finding the Fourth Proportional to 453,998.83, 626,505.55 and 247,262.54

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Solution

The fourth proportional to 453,998.83, 626,505.55 and 247,262.54 is: 341,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,998.83 : 626,505.55 = 247,262.54 : x
  2. Step 2: Convert to fraction form
    453,998.83/626,505.55 = 247,262.54/x
  3. Step 3: Cross multiply
    453,998.83x = 626,505.55 × 247,262.54
  4. Step 4: Simplify right side
    453,998.83x = 154,911,353,617.10
  5. Step 5: Solve for x
    x = 154,911,353,617.10/453,998.83
  6. Step 6: Final answer
    x = 341,215.31

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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.