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Finding the Fourth Proportional to 539,334.32, 744,283.60 and 297,624

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Solution

The fourth proportional to 539,334.32, 744,283.60 and 297,624 is: 410,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,334.32 : 744,283.60 = 297,624 : x
  2. Step 2: Convert to fraction form
    539,334.32/744,283.60 = 297,624/x
  3. Step 3: Cross multiply
    539,334.32x = 744,283.60 × 297,624
  4. Step 4: Simplify right side
    539,334.32x = 221,516,662,166.40
  5. Step 5: Solve for x
    x = 221,516,662,166.40/539,334.32
  6. Step 6: Final answer
    x = 410,722.36

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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.