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Finding the Fourth Proportional to 360,384.15, 540,412.20 and 160,601.70

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Solution

The fourth proportional to 360,384.15, 540,412.20 and 160,601.70 is: 240,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,384.15 : 540,412.20 = 160,601.70 : x
  2. Step 2: Convert to fraction form
    360,384.15/540,412.20 = 160,601.70/x
  3. Step 3: Cross multiply
    360,384.15x = 540,412.20 × 160,601.70
  4. Step 4: Simplify right side
    360,384.15x = 86,791,118,020.74
  5. Step 5: Solve for x
    x = 86,791,118,020.74/360,384.15
  6. Step 6: Final answer
    x = 240,829.45

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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.