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Finding the Fourth Proportional to 439,953.35, 607,135.59 and 238,749.35

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Solution

The fourth proportional to 439,953.35, 607,135.59 and 238,749.35 is: 329,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,953.35 : 607,135.59 = 238,749.35 : x
  2. Step 2: Convert to fraction form
    439,953.35/607,135.59 = 238,749.35/x
  3. Step 3: Cross multiply
    439,953.35x = 607,135.59 × 238,749.35
  4. Step 4: Simplify right side
    439,953.35x = 144,953,224,438.69
  5. Step 5: Solve for x
    x = 144,953,224,438.69/439,953.35
  6. Step 6: Final answer
    x = 329,474.08

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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.