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Finding the Fourth Proportional to 535,484.90, 802,801.10 and 265,422.98

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Solution

The fourth proportional to 535,484.90, 802,801.10 and 265,422.98 is: 397,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,484.90 : 802,801.10 = 265,422.98 : x
  2. Step 2: Convert to fraction form
    535,484.90/802,801.10 = 265,422.98/x
  3. Step 3: Cross multiply
    535,484.90x = 802,801.10 × 265,422.98
  4. Step 4: Simplify right side
    535,484.90x = 213,081,860,309.28
  5. Step 5: Solve for x
    x = 213,081,860,309.28/535,484.90
  6. Step 6: Final answer
    x = 397,923.19

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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.