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Finding the Fourth Proportional to 470,342.80, 704,347.80 and 377,030.80

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Solution

The fourth proportional to 470,342.80, 704,347.80 and 377,030.80 is: 564,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,342.80 : 704,347.80 = 377,030.80 : x
  2. Step 2: Convert to fraction form
    470,342.80/704,347.80 = 377,030.80/x
  3. Step 3: Cross multiply
    470,342.80x = 704,347.80 × 377,030.80
  4. Step 4: Simplify right side
    470,342.80x = 265,560,814,512.24
  5. Step 5: Solve for x
    x = 265,560,814,512.24/470,342.80
  6. Step 6: Final answer
    x = 564,611.20

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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.