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Finding the Fourth Proportional to 539,511.50, 744,525.91 and 297,794.13

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Solution

The fourth proportional to 539,511.50, 744,525.91 and 297,794.13 is: 410,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,511.50 : 744,525.91 = 297,794.13 : x
  2. Step 2: Convert to fraction form
    539,511.50/744,525.91 = 297,794.13/x
  3. Step 3: Cross multiply
    539,511.50x = 744,525.91 × 297,794.13
  4. Step 4: Simplify right side
    539,511.50x = 221,715,446,840.77
  5. Step 5: Solve for x
    x = 221,715,446,840.77/539,511.50
  6. Step 6: Final answer
    x = 410,955.93

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Double scale
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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.