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Finding the Fourth Proportional to 354,469.10, 531,703.65 and 117,848.30

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Solution

The fourth proportional to 354,469.10, 531,703.65 and 117,848.30 is: 176,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,469.10 : 531,703.65 = 117,848.30 : x
  2. Step 2: Convert to fraction form
    354,469.10/531,703.65 = 117,848.30/x
  3. Step 3: Cross multiply
    354,469.10x = 531,703.65 × 117,848.30
  4. Step 4: Simplify right side
    354,469.10x = 62,660,371,256.30
  5. Step 5: Solve for x
    x = 62,660,371,256.30/354,469.10
  6. Step 6: Final answer
    x = 176,772.45

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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.