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Finding the Fourth Proportional to 802,215.60, 1,201,573.80 and 802,215.60

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Solution

The fourth proportional to 802,215.60, 1,201,573.80 and 802,215.60 is: 1,201,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,215.60 : 1,201,573.80 = 802,215.60 : x
  2. Step 2: Convert to fraction form
    802,215.60/1,201,573.80 = 802,215.60/x
  3. Step 3: Cross multiply
    802,215.60x = 1,201,573.80 × 802,215.60
  4. Step 4: Simplify right side
    802,215.60x = 963,921,246,911.28
  5. Step 5: Solve for x
    x = 963,921,246,911.28/802,215.60
  6. Step 6: Final answer
    x = 1,201,573.80

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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.