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Finding the Fourth Proportional to 370,029.48, 510,642.18 and 200,263.56

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Solution

The fourth proportional to 370,029.48, 510,642.18 and 200,263.56 is: 276,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,029.48 : 510,642.18 = 200,263.56 : x
  2. Step 2: Convert to fraction form
    370,029.48/510,642.18 = 200,263.56/x
  3. Step 3: Cross multiply
    370,029.48x = 510,642.18 × 200,263.56
  4. Step 4: Simplify right side
    370,029.48x = 102,263,020,852.96
  5. Step 5: Solve for x
    x = 102,263,020,852.96/370,029.48
  6. Step 6: Final answer
    x = 276,364.52

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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.