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Finding the Fourth Proportional to 570,372.60, 855,234.95 and 233,018.29

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Solution

The fourth proportional to 570,372.60, 855,234.95 and 233,018.29 is: 349,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,372.60 : 855,234.95 = 233,018.29 : x
  2. Step 2: Convert to fraction form
    570,372.60/855,234.95 = 233,018.29/x
  3. Step 3: Cross multiply
    570,372.60x = 855,234.95 × 233,018.29
  4. Step 4: Simplify right side
    570,372.60x = 199,285,382,294.06
  5. Step 5: Solve for x
    x = 199,285,382,294.06/570,372.60
  6. Step 6: Final answer
    x = 349,395.08

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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.