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Finding the Fourth Proportional to 539,583.74, 744,715.60 and 515,668.22

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Solution

The fourth proportional to 539,583.74, 744,715.60 and 515,668.22 is: 711,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,583.74 : 744,715.60 = 515,668.22 : x
  2. Step 2: Convert to fraction form
    539,583.74/744,715.60 = 515,668.22/x
  3. Step 3: Cross multiply
    539,583.74x = 744,715.60 × 515,668.22
  4. Step 4: Simplify right side
    539,583.74x = 384,026,162,845.48
  5. Step 5: Solve for x
    x = 384,026,162,845.48/539,583.74
  6. Step 6: Final answer
    x = 711,708.19

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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.