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Finding the Fourth Proportional to 557,783.08, 837,018.08 and 220,766.40

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Solution

The fourth proportional to 557,783.08, 837,018.08 and 220,766.40 is: 331,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,783.08 : 837,018.08 = 220,766.40 : x
  2. Step 2: Convert to fraction form
    557,783.08/837,018.08 = 220,766.40/x
  3. Step 3: Cross multiply
    557,783.08x = 837,018.08 × 220,766.40
  4. Step 4: Simplify right side
    557,783.08x = 184,785,468,256.51
  5. Step 5: Solve for x
    x = 184,785,468,256.51/557,783.08
  6. Step 6: Final answer
    x = 331,285.54

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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.