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Finding the Fourth Proportional to 601,031.40, 901,403.10 and 347,764.20

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Solution

The fourth proportional to 601,031.40, 901,403.10 and 347,764.20 is: 521,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,031.40 : 901,403.10 = 347,764.20 : x
  2. Step 2: Convert to fraction form
    601,031.40/901,403.10 = 347,764.20/x
  3. Step 3: Cross multiply
    601,031.40x = 901,403.10 × 347,764.20
  4. Step 4: Simplify right side
    601,031.40x = 313,475,727,949.02
  5. Step 5: Solve for x
    x = 313,475,727,949.02/601,031.40
  6. Step 6: Final answer
    x = 521,562.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.