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Finding the Fourth Proportional to 675,176.96, 931,706.52 and 369,192.62

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Solution

The fourth proportional to 675,176.96, 931,706.52 and 369,192.62 is: 509,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,176.96 : 931,706.52 = 369,192.62 : x
  2. Step 2: Convert to fraction form
    675,176.96/931,706.52 = 369,192.62/x
  3. Step 3: Cross multiply
    675,176.96x = 931,706.52 × 369,192.62
  4. Step 4: Simplify right side
    675,176.96x = 343,979,171,189.88
  5. Step 5: Solve for x
    x = 343,979,171,189.88/675,176.96
  6. Step 6: Final answer
    x = 509,465.21

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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.