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Finding the Fourth Proportional to 253,066.98, 379,411.39 and 153,203.10

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Solution

The fourth proportional to 253,066.98, 379,411.39 and 153,203.10 is: 229,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,066.98 : 379,411.39 = 153,203.10 : x
  2. Step 2: Convert to fraction form
    253,066.98/379,411.39 = 153,203.10/x
  3. Step 3: Cross multiply
    253,066.98x = 379,411.39 × 153,203.10
  4. Step 4: Simplify right side
    253,066.98x = 58,126,999,892.02
  5. Step 5: Solve for x
    x = 58,126,999,892.02/253,066.98
  6. Step 6: Final answer
    x = 229,690.18

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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.