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Finding the Fourth Proportional to 354,907.10, 532,360.65 and 284,923.10

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Solution

The fourth proportional to 354,907.10, 532,360.65 and 284,923.10 is: 427,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,907.10 : 532,360.65 = 284,923.10 : x
  2. Step 2: Convert to fraction form
    354,907.10/532,360.65 = 284,923.10/x
  3. Step 3: Cross multiply
    354,907.10x = 532,360.65 × 284,923.10
  4. Step 4: Simplify right side
    354,907.10x = 151,681,846,716.02
  5. Step 5: Solve for x
    x = 151,681,846,716.02/354,907.10
  6. Step 6: Final answer
    x = 427,384.65

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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.