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Finding the Fourth Proportional to 484,987.30, 669,050.68 and 376,817.06

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Solution

The fourth proportional to 484,987.30, 669,050.68 and 376,817.06 is: 519,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,987.30 : 669,050.68 = 376,817.06 : x
  2. Step 2: Convert to fraction form
    484,987.30/669,050.68 = 376,817.06/x
  3. Step 3: Cross multiply
    484,987.30x = 669,050.68 × 376,817.06
  4. Step 4: Simplify right side
    484,987.30x = 252,109,708,344.52
  5. Step 5: Solve for x
    x = 252,109,708,344.52/484,987.30
  6. Step 6: Final answer
    x = 519,827.44

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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.