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Finding the Fourth Proportional to 345,353.42, 517,073.42 and 176,510.14

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Solution

The fourth proportional to 345,353.42, 517,073.42 and 176,510.14 is: 264,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,353.42 : 517,073.42 = 176,510.14 : x
  2. Step 2: Convert to fraction form
    345,353.42/517,073.42 = 176,510.14/x
  3. Step 3: Cross multiply
    345,353.42x = 517,073.42 × 176,510.14
  4. Step 4: Simplify right side
    345,353.42x = 91,268,700,903.07
  5. Step 5: Solve for x
    x = 91,268,700,903.07/345,353.42
  6. Step 6: Final answer
    x = 264,276.23

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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.