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Finding the Fourth Proportional to 284,032.40, 426,048.60 and 179,315.60

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Solution

The fourth proportional to 284,032.40, 426,048.60 and 179,315.60 is: 268,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,032.40 : 426,048.60 = 179,315.60 : x
  2. Step 2: Convert to fraction form
    284,032.40/426,048.60 = 179,315.60/x
  3. Step 3: Cross multiply
    284,032.40x = 426,048.60 × 179,315.60
  4. Step 4: Simplify right side
    284,032.40x = 76,397,160,338.16
  5. Step 5: Solve for x
    x = 76,397,160,338.16/284,032.40
  6. Step 6: Final answer
    x = 268,973.40

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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.