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Finding the Fourth Proportional to 240,615.70, 360,923.55 and 147,303.70

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Solution

The fourth proportional to 240,615.70, 360,923.55 and 147,303.70 is: 220,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.70 : 360,923.55 = 147,303.70 : x
  2. Step 2: Convert to fraction form
    240,615.70/360,923.55 = 147,303.70/x
  3. Step 3: Cross multiply
    240,615.70x = 360,923.55 × 147,303.70
  4. Step 4: Simplify right side
    240,615.70x = 53,165,374,332.14
  5. Step 5: Solve for x
    x = 53,165,374,332.14/240,615.70
  6. Step 6: Final answer
    x = 220,955.55

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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.