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Finding the Fourth Proportional to 464,153.52, 696,240 and 148,609.56

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Solution

The fourth proportional to 464,153.52, 696,240 and 148,609.56 is: 222,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,153.52 : 696,240 = 148,609.56 : x
  2. Step 2: Convert to fraction form
    464,153.52/696,240 = 148,609.56/x
  3. Step 3: Cross multiply
    464,153.52x = 696,240 × 148,609.56
  4. Step 4: Simplify right side
    464,153.52x = 103,467,920,054.40
  5. Step 5: Solve for x
    x = 103,467,920,054.40/464,153.52
  6. Step 6: Final answer
    x = 222,917.45

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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.