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Finding the Fourth Proportional to 343,341.10, 515,230.35 and 201,186.10

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Solution

The fourth proportional to 343,341.10, 515,230.35 and 201,186.10 is: 301,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,341.10 : 515,230.35 = 201,186.10 : x
  2. Step 2: Convert to fraction form
    343,341.10/515,230.35 = 201,186.10/x
  3. Step 3: Cross multiply
    343,341.10x = 515,230.35 × 201,186.10
  4. Step 4: Simplify right side
    343,341.10x = 103,657,184,718.14
  5. Step 5: Solve for x
    x = 103,657,184,718.14/343,341.10
  6. Step 6: Final answer
    x = 301,907.30

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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.