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Finding the Fourth Proportional to 304,663.40, 457,124.70 and 146,810.60

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Solution

The fourth proportional to 304,663.40, 457,124.70 and 146,810.60 is: 220,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,663.40 : 457,124.70 = 146,810.60 : x
  2. Step 2: Convert to fraction form
    304,663.40/457,124.70 = 146,810.60/x
  3. Step 3: Cross multiply
    304,663.40x = 457,124.70 × 146,810.60
  4. Step 4: Simplify right side
    304,663.40x = 67,110,751,481.82
  5. Step 5: Solve for x
    x = 67,110,751,481.82/304,663.40
  6. Step 6: Final answer
    x = 220,278.35

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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.