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Finding the Fourth Proportional to 705,891.36, 974,126.88 and 383,595.36

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Solution

The fourth proportional to 705,891.36, 974,126.88 and 383,595.36 is: 529,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,891.36 : 974,126.88 = 383,595.36 : x
  2. Step 2: Convert to fraction form
    705,891.36/974,126.88 = 383,595.36/x
  3. Step 3: Cross multiply
    705,891.36x = 974,126.88 × 383,595.36
  4. Step 4: Simplify right side
    705,891.36x = 373,670,551,219.28
  5. Step 5: Solve for x
    x = 373,670,551,219.28/705,891.36
  6. Step 6: Final answer
    x = 529,359.86

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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.