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Finding the Fourth Proportional to 434,458.80, 651,169.80 and 181,738.80

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Solution

The fourth proportional to 434,458.80, 651,169.80 and 181,738.80 is: 272,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,458.80 : 651,169.80 = 181,738.80 : x
  2. Step 2: Convert to fraction form
    434,458.80/651,169.80 = 181,738.80/x
  3. Step 3: Cross multiply
    434,458.80x = 651,169.80 × 181,738.80
  4. Step 4: Simplify right side
    434,458.80x = 118,342,818,048.24
  5. Step 5: Solve for x
    x = 118,342,818,048.24/434,458.80
  6. Step 6: Final answer
    x = 272,391.35

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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.