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Finding the Fourth Proportional to 804,878.42, 1,110,490.00 and 482,470.88

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Solution

The fourth proportional to 804,878.42, 1,110,490.00 and 482,470.88 is: 665,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,878.42 : 1,110,490.00 = 482,470.88 : x
  2. Step 2: Convert to fraction form
    804,878.42/1,110,490.00 = 482,470.88/x
  3. Step 3: Cross multiply
    804,878.42x = 1,110,490.00 × 482,470.88
  4. Step 4: Simplify right side
    804,878.42x = 535,779,080,772.57
  5. Step 5: Solve for x
    x = 535,779,080,772.57/804,878.42
  6. Step 6: Final answer
    x = 665,664.62

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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.