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Finding the Fourth Proportional to 539,609.34, 744,656.70 and 297,892.26

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Solution

The fourth proportional to 539,609.34, 744,656.70 and 297,892.26 is: 411,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,609.34 : 744,656.70 = 297,892.26 : x
  2. Step 2: Convert to fraction form
    539,609.34/744,656.70 = 297,892.26/x
  3. Step 3: Cross multiply
    539,609.34x = 744,656.70 × 297,892.26
  4. Step 4: Simplify right side
    539,609.34x = 221,827,467,287.14
  5. Step 5: Solve for x
    x = 221,827,467,287.14/539,609.34
  6. Step 6: Final answer
    x = 411,089.01

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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.