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Finding the Fourth Proportional to 554,657.60, 765,222.24 and 363,776.96

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Solution

The fourth proportional to 554,657.60, 765,222.24 and 363,776.96 is: 501,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,657.60 : 765,222.24 = 363,776.96 : x
  2. Step 2: Convert to fraction form
    554,657.60/765,222.24 = 363,776.96/x
  3. Step 3: Cross multiply
    554,657.60x = 765,222.24 × 363,776.96
  4. Step 4: Simplify right side
    554,657.60x = 278,370,220,191.59
  5. Step 5: Solve for x
    x = 278,370,220,191.59/554,657.60
  6. Step 6: Final answer
    x = 501,877.59

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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.