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Finding the Fourth Proportional to 705,959.76, 974,232 and 383,669.88

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Solution

The fourth proportional to 705,959.76, 974,232 and 383,669.88 is: 529,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,959.76 : 974,232 = 383,669.88 : x
  2. Step 2: Convert to fraction form
    705,959.76/974,232 = 383,669.88/x
  3. Step 3: Cross multiply
    705,959.76x = 974,232 × 383,669.88
  4. Step 4: Simplify right side
    705,959.76x = 373,783,474,532.16
  5. Step 5: Solve for x
    x = 373,783,474,532.16/705,959.76
  6. Step 6: Final answer
    x = 529,468.53

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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.