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Finding the Fourth Proportional to 705,812.35, 974,027.19 and 383,522.45

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Solution

The fourth proportional to 705,812.35, 974,027.19 and 383,522.45 is: 529,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,812.35 : 974,027.19 = 383,522.45 : x
  2. Step 2: Convert to fraction form
    705,812.35/974,027.19 = 383,522.45/x
  3. Step 3: Cross multiply
    705,812.35x = 974,027.19 × 383,522.45
  4. Step 4: Simplify right side
    705,812.35x = 373,561,290,843.49
  5. Step 5: Solve for x
    x = 373,561,290,843.49/705,812.35
  6. Step 6: Final answer
    x = 529,264.32

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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.