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Finding the Fourth Proportional to 539,597.77, 744,650.96 and 297,880.47

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Solution

The fourth proportional to 539,597.77, 744,650.96 and 297,880.47 is: 411,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,597.77 : 744,650.96 = 297,880.47 : x
  2. Step 2: Convert to fraction form
    539,597.77/744,650.96 = 297,880.47/x
  3. Step 3: Cross multiply
    539,597.77x = 744,650.96 × 297,880.47
  4. Step 4: Simplify right side
    539,597.77x = 221,816,976,461.35
  5. Step 5: Solve for x
    x = 221,816,976,461.35/539,597.77
  6. Step 6: Final answer
    x = 411,078.38

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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.