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Finding the Fourth Proportional to 240,010.10, 360,015.15 and 201,518.90

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Solution

The fourth proportional to 240,010.10, 360,015.15 and 201,518.90 is: 302,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,010.10 : 360,015.15 = 201,518.90 : x
  2. Step 2: Convert to fraction form
    240,010.10/360,015.15 = 201,518.90/x
  3. Step 3: Cross multiply
    240,010.10x = 360,015.15 × 201,518.90
  4. Step 4: Simplify right side
    240,010.10x = 72,549,857,011.34
  5. Step 5: Solve for x
    x = 72,549,857,011.34/240,010.10
  6. Step 6: Final answer
    x = 302,278.35

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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.