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Finding the Fourth Proportional to 535,170.90, 802,752.71 and 130,358.28

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Solution

The fourth proportional to 535,170.90, 802,752.71 and 130,358.28 is: 195,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,170.90 : 802,752.71 = 130,358.28 : x
  2. Step 2: Convert to fraction form
    535,170.90/802,752.71 = 130,358.28/x
  3. Step 3: Cross multiply
    535,170.90x = 802,752.71 × 130,358.28
  4. Step 4: Simplify right side
    535,170.90x = 104,645,461,889.15
  5. Step 5: Solve for x
    x = 104,645,461,889.15/535,170.90
  6. Step 6: Final answer
    x = 195,536.53

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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.