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Finding the Fourth Proportional to 570,575.40, 855,862.29 and 171,215.52

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Solution

The fourth proportional to 570,575.40, 855,862.29 and 171,215.52 is: 256,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,575.40 : 855,862.29 = 171,215.52 : x
  2. Step 2: Convert to fraction form
    570,575.40/855,862.29 = 171,215.52/x
  3. Step 3: Cross multiply
    570,575.40x = 855,862.29 × 171,215.52
  4. Step 4: Simplify right side
    570,575.40x = 146,536,907,030.74
  5. Step 5: Solve for x
    x = 146,536,907,030.74/570,575.40
  6. Step 6: Final answer
    x = 256,823.04

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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.