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Finding the Fourth Proportional to 543,518.22, 750,124.35 and 328,659.81

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Solution

The fourth proportional to 543,518.22, 750,124.35 and 328,659.81 is: 453,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,518.22 : 750,124.35 = 328,659.81 : x
  2. Step 2: Convert to fraction form
    543,518.22/750,124.35 = 328,659.81/x
  3. Step 3: Cross multiply
    543,518.22x = 750,124.35 × 328,659.81
  4. Step 4: Simplify right side
    543,518.22x = 246,535,726,347.37
  5. Step 5: Solve for x
    x = 246,535,726,347.37/543,518.22
  6. Step 6: Final answer
    x = 453,592.39

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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.