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Finding the Fourth Proportional to 688,483.45, 950,181.20 and 416,700.91

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Solution

The fourth proportional to 688,483.45, 950,181.20 and 416,700.91 is: 575,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,483.45 : 950,181.20 = 416,700.91 : x
  2. Step 2: Convert to fraction form
    688,483.45/950,181.20 = 416,700.91/x
  3. Step 3: Cross multiply
    688,483.45x = 950,181.20 × 416,700.91
  4. Step 4: Simplify right side
    688,483.45x = 395,941,370,704.89
  5. Step 5: Solve for x
    x = 395,941,370,704.89/688,483.45
  6. Step 6: Final answer
    x = 575,092.07

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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.