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Finding the Fourth Proportional to 484,012.53, 725,485.86 and 199,547.05

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Solution

The fourth proportional to 484,012.53, 725,485.86 and 199,547.05 is: 299,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,012.53 : 725,485.86 = 199,547.05 : x
  2. Step 2: Convert to fraction form
    484,012.53/725,485.86 = 199,547.05/x
  3. Step 3: Cross multiply
    484,012.53x = 725,485.86 × 199,547.05
  4. Step 4: Simplify right side
    484,012.53x = 144,768,562,181.98
  5. Step 5: Solve for x
    x = 144,768,562,181.98/484,012.53
  6. Step 6: Final answer
    x = 299,100.86

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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.