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Finding the Fourth Proportional to 370,381.47, 511,124.66 and 207,037.94

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Solution

The fourth proportional to 370,381.47, 511,124.66 and 207,037.94 is: 285,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,381.47 : 511,124.66 = 207,037.94 : x
  2. Step 2: Convert to fraction form
    370,381.47/511,124.66 = 207,037.94/x
  3. Step 3: Cross multiply
    370,381.47x = 511,124.66 × 207,037.94
  4. Step 4: Simplify right side
    370,381.47x = 105,822,196,167.96
  5. Step 5: Solve for x
    x = 105,822,196,167.96/370,381.47
  6. Step 6: Final answer
    x = 285,711.37

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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.