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Finding the Fourth Proportional to 405,812.46, 560,200.53 and 242,526.57

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Solution

The fourth proportional to 405,812.46, 560,200.53 and 242,526.57 is: 334,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,812.46 : 560,200.53 = 242,526.57 : x
  2. Step 2: Convert to fraction form
    405,812.46/560,200.53 = 242,526.57/x
  3. Step 3: Cross multiply
    405,812.46x = 560,200.53 × 242,526.57
  4. Step 4: Simplify right side
    405,812.46x = 135,863,513,053.08
  5. Step 5: Solve for x
    x = 135,863,513,053.08/405,812.46
  6. Step 6: Final answer
    x = 334,793.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.