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Finding the Fourth Proportional to 474,518.37, 654,833.58 and 256,726.35

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Solution

The fourth proportional to 474,518.37, 654,833.58 and 256,726.35 is: 354,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,518.37 : 654,833.58 = 256,726.35 : x
  2. Step 2: Convert to fraction form
    474,518.37/654,833.58 = 256,726.35/x
  3. Step 3: Cross multiply
    474,518.37x = 654,833.58 × 256,726.35
  4. Step 4: Simplify right side
    474,518.37x = 168,113,030,293.03
  5. Step 5: Solve for x
    x = 168,113,030,293.03/474,518.37
  6. Step 6: Final answer
    x = 354,281.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.