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Finding the Fourth Proportional to 570,508.17, 855,897.21 and 186,254.97

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Solution

The fourth proportional to 570,508.17, 855,897.21 and 186,254.97 is: 279,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,508.17 : 855,897.21 = 186,254.97 : x
  2. Step 2: Convert to fraction form
    570,508.17/855,897.21 = 186,254.97/x
  3. Step 3: Cross multiply
    570,508.17x = 855,897.21 × 186,254.97
  4. Step 4: Simplify right side
    570,508.17x = 159,415,109,171.63
  5. Step 5: Solve for x
    x = 159,415,109,171.63/570,508.17
  6. Step 6: Final answer
    x = 279,426.51

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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.