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Finding the Fourth Proportional to 332,303.90, 498,455.85 and 163,904.90

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Solution

The fourth proportional to 332,303.90, 498,455.85 and 163,904.90 is: 245,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,303.90 : 498,455.85 = 163,904.90 : x
  2. Step 2: Convert to fraction form
    332,303.90/498,455.85 = 163,904.90/x
  3. Step 3: Cross multiply
    332,303.90x = 498,455.85 × 163,904.90
  4. Step 4: Simplify right side
    332,303.90x = 81,699,356,248.67
  5. Step 5: Solve for x
    x = 81,699,356,248.67/332,303.90
  6. Step 6: Final answer
    x = 245,857.35

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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.