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Finding the Fourth Proportional to 539,570.22, 744,491.39 and 313,094.22

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Solution

The fourth proportional to 539,570.22, 744,491.39 and 313,094.22 is: 432,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,570.22 : 744,491.39 = 313,094.22 : x
  2. Step 2: Convert to fraction form
    539,570.22/744,491.39 = 313,094.22/x
  3. Step 3: Cross multiply
    539,570.22x = 744,491.39 × 313,094.22
  4. Step 4: Simplify right side
    539,570.22x = 233,095,951,048.77
  5. Step 5: Solve for x
    x = 233,095,951,048.77/539,570.22
  6. Step 6: Final answer
    x = 432,002.99

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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.