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Finding the Fourth Proportional to 539,609.21, 744,666.75 and 297,891.93

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Solution

The fourth proportional to 539,609.21, 744,666.75 and 297,891.93 is: 411,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,609.21 : 744,666.75 = 297,891.93 : x
  2. Step 2: Convert to fraction form
    539,609.21/744,666.75 = 297,891.93/x
  3. Step 3: Cross multiply
    539,609.21x = 744,666.75 × 297,891.93
  4. Step 4: Simplify right side
    539,609.21x = 221,830,215,364.33
  5. Step 5: Solve for x
    x = 221,830,215,364.33/539,609.21
  6. Step 6: Final answer
    x = 411,094.20

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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.