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Finding the Fourth Proportional to 256,273.74, 353,637.51 and 148,826.22

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Solution

The fourth proportional to 256,273.74, 353,637.51 and 148,826.22 is: 205,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,273.74 : 353,637.51 = 148,826.22 : x
  2. Step 2: Convert to fraction form
    256,273.74/353,637.51 = 148,826.22/x
  3. Step 3: Cross multiply
    256,273.74x = 353,637.51 × 148,826.22
  4. Step 4: Simplify right side
    256,273.74x = 52,630,533,863.51
  5. Step 5: Solve for x
    x = 52,630,533,863.51/256,273.74
  6. Step 6: Final answer
    x = 205,368.42

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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.