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Finding the Fourth Proportional to 294,663.20, 441,994.80 and 97,671.20

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Solution

The fourth proportional to 294,663.20, 441,994.80 and 97,671.20 is: 146,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,663.20 : 441,994.80 = 97,671.20 : x
  2. Step 2: Convert to fraction form
    294,663.20/441,994.80 = 97,671.20/x
  3. Step 3: Cross multiply
    294,663.20x = 441,994.80 × 97,671.20
  4. Step 4: Simplify right side
    294,663.20x = 43,170,162,509.76
  5. Step 5: Solve for x
    x = 43,170,162,509.76/294,663.20
  6. Step 6: Final answer
    x = 146,506.80

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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.