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Finding the Fourth Proportional to 539,300.90, 744,234.35 and 297,583.28

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Solution

The fourth proportional to 539,300.90, 744,234.35 and 297,583.28 is: 410,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,300.90 : 744,234.35 = 297,583.28 : x
  2. Step 2: Convert to fraction form
    539,300.90/744,234.35 = 297,583.28/x
  3. Step 3: Cross multiply
    539,300.90x = 744,234.35 × 297,583.28
  4. Step 4: Simplify right side
    539,300.90x = 221,471,699,054.32
  5. Step 5: Solve for x
    x = 221,471,699,054.32/539,300.90
  6. Step 6: Final answer
    x = 410,664.44

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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.