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Finding the Fourth Proportional to 535,038.10, 802,593.60 and 170,270.80

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Solution

The fourth proportional to 535,038.10, 802,593.60 and 170,270.80 is: 255,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,038.10 : 802,593.60 = 170,270.80 : x
  2. Step 2: Convert to fraction form
    535,038.10/802,593.60 = 170,270.80/x
  3. Step 3: Cross multiply
    535,038.10x = 802,593.60 × 170,270.80
  4. Step 4: Simplify right side
    535,038.10x = 136,658,254,346.88
  5. Step 5: Solve for x
    x = 136,658,254,346.88/535,038.10
  6. Step 6: Final answer
    x = 255,417.80

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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.