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Finding the Fourth Proportional to 570,068.40, 855,053.40 and 170,798.76

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Solution

The fourth proportional to 570,068.40, 855,053.40 and 170,798.76 is: 256,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,068.40 : 855,053.40 = 170,798.76 : x
  2. Step 2: Convert to fraction form
    570,068.40/855,053.40 = 170,798.76/x
  3. Step 3: Cross multiply
    570,068.40x = 855,053.40 × 170,798.76
  4. Step 4: Simplify right side
    570,068.40x = 146,042,060,453.78
  5. Step 5: Solve for x
    x = 146,042,060,453.78/570,068.40
  6. Step 6: Final answer
    x = 256,183.40

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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.