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Finding the Fourth Proportional to 504,112.80, 756,169.20 and 465,621.60

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Solution

The fourth proportional to 504,112.80, 756,169.20 and 465,621.60 is: 698,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,112.80 : 756,169.20 = 465,621.60 : x
  2. Step 2: Convert to fraction form
    504,112.80/756,169.20 = 465,621.60/x
  3. Step 3: Cross multiply
    504,112.80x = 756,169.20 × 465,621.60
  4. Step 4: Simplify right side
    504,112.80x = 352,088,712,774.72
  5. Step 5: Solve for x
    x = 352,088,712,774.72/504,112.80
  6. Step 6: Final answer
    x = 698,432.40

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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.