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Finding the Fourth Proportional to 260,363.35, 390,541.38 and 102,593.17

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Solution

The fourth proportional to 260,363.35, 390,541.38 and 102,593.17 is: 153,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,363.35 : 390,541.38 = 102,593.17 : x
  2. Step 2: Convert to fraction form
    260,363.35/390,541.38 = 102,593.17/x
  3. Step 3: Cross multiply
    260,363.35x = 390,541.38 × 102,593.17
  4. Step 4: Simplify right side
    260,363.35x = 40,066,878,190.37
  5. Step 5: Solve for x
    x = 40,066,878,190.37/260,363.35
  6. Step 6: Final answer
    x = 153,888.32

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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.