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Finding the Fourth Proportional to 539,520.01, 744,537.65 and 297,802.64

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Solution

The fourth proportional to 539,520.01, 744,537.65 and 297,802.64 is: 410,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,520.01 : 744,537.65 = 297,802.64 : x
  2. Step 2: Convert to fraction form
    539,520.01/744,537.65 = 297,802.64/x
  3. Step 3: Cross multiply
    539,520.01x = 744,537.65 × 297,802.64
  4. Step 4: Simplify right side
    539,520.01x = 221,725,277,749.40
  5. Step 5: Solve for x
    x = 221,725,277,749.40/539,520.01
  6. Step 6: Final answer
    x = 410,967.66

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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.