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Finding the Fourth Proportional to 284,594.40, 426,430.80 and 179,224.80

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Solution

The fourth proportional to 284,594.40, 426,430.80 and 179,224.80 is: 268,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,594.40 : 426,430.80 = 179,224.80 : x
  2. Step 2: Convert to fraction form
    284,594.40/426,430.80 = 179,224.80/x
  3. Step 3: Cross multiply
    284,594.40x = 426,430.80 × 179,224.80
  4. Step 4: Simplify right side
    284,594.40x = 76,426,974,843.84
  5. Step 5: Solve for x
    x = 76,426,974,843.84/284,594.40
  6. Step 6: Final answer
    x = 268,547.01

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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.