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Finding the Fourth Proportional to 671,859.20, 927,165.72 and 370,053.20

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Solution

The fourth proportional to 671,859.20, 927,165.72 and 370,053.20 is: 510,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,859.20 : 927,165.72 = 370,053.20 : x
  2. Step 2: Convert to fraction form
    671,859.20/927,165.72 = 370,053.20/x
  3. Step 3: Cross multiply
    671,859.20x = 927,165.72 × 370,053.20
  4. Step 4: Simplify right side
    671,859.20x = 343,100,636,980.48
  5. Step 5: Solve for x
    x = 343,100,636,980.48/671,859.20
  6. Step 6: Final answer
    x = 510,673.43

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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.