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Finding the Fourth Proportional to 460,021.71, 634,848.59 and 256,059.68

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Solution

The fourth proportional to 460,021.71, 634,848.59 and 256,059.68 is: 353,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,021.71 : 634,848.59 = 256,059.68 : x
  2. Step 2: Convert to fraction form
    460,021.71/634,848.59 = 256,059.68/x
  3. Step 3: Cross multiply
    460,021.71x = 634,848.59 × 256,059.68
  4. Step 4: Simplify right side
    460,021.71x = 162,559,126,400.45
  5. Step 5: Solve for x
    x = 162,559,126,400.45/460,021.71
  6. Step 6: Final answer
    x = 353,372.73

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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.