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Finding the Fourth Proportional to 539,526.64, 744,546.80 and 297,809.27

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Solution

The fourth proportional to 539,526.64, 744,546.80 and 297,809.27 is: 410,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,526.64 : 744,546.80 = 297,809.27 : x
  2. Step 2: Convert to fraction form
    539,526.64/744,546.80 = 297,809.27/x
  3. Step 3: Cross multiply
    539,526.64x = 744,546.80 × 297,809.27
  4. Step 4: Simplify right side
    539,526.64x = 221,732,938,988.84
  5. Step 5: Solve for x
    x = 221,732,938,988.84/539,526.64
  6. Step 6: Final answer
    x = 410,976.81

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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.