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Finding the Fourth Proportional to 460,044.79, 634,785.98 and 256,090.52

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Solution

The fourth proportional to 460,044.79, 634,785.98 and 256,090.52 is: 353,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,044.79 : 634,785.98 = 256,090.52 : x
  2. Step 2: Convert to fraction form
    460,044.79/634,785.98 = 256,090.52/x
  3. Step 3: Cross multiply
    460,044.79x = 634,785.98 × 256,090.52
  4. Step 4: Simplify right side
    460,044.79x = 162,562,673,266.22
  5. Step 5: Solve for x
    x = 162,562,673,266.22/460,044.79
  6. Step 6: Final answer
    x = 353,362.71

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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.