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Finding the Fourth Proportional to 695,911.70, 960,820.71 and 534,478.25

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Solution

The fourth proportional to 695,911.70, 960,820.71 and 534,478.25 is: 737,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,911.70 : 960,820.71 = 534,478.25 : x
  2. Step 2: Convert to fraction form
    695,911.70/960,820.71 = 534,478.25/x
  3. Step 3: Cross multiply
    695,911.70x = 960,820.71 × 534,478.25
  4. Step 4: Simplify right side
    695,911.70x = 513,537,771,644.56
  5. Step 5: Solve for x
    x = 513,537,771,644.56/695,911.70
  6. Step 6: Final answer
    x = 737,935.25

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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.