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Finding the Fourth Proportional to 634,169.52, 875,130.56 and 347,683.28

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Solution

The fourth proportional to 634,169.52, 875,130.56 and 347,683.28 is: 479,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,169.52 : 875,130.56 = 347,683.28 : x
  2. Step 2: Convert to fraction form
    634,169.52/875,130.56 = 347,683.28/x
  3. Step 3: Cross multiply
    634,169.52x = 875,130.56 × 347,683.28
  4. Step 4: Simplify right side
    634,169.52x = 304,268,263,529.04
  5. Step 5: Solve for x
    x = 304,268,263,529.04/634,169.52
  6. Step 6: Final answer
    x = 479,790.11

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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.