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Finding the Fourth Proportional to 705,311.53, 973,627.85 and 476,179.17

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Solution

The fourth proportional to 705,311.53, 973,627.85 and 476,179.17 is: 657,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,311.53 : 973,627.85 = 476,179.17 : x
  2. Step 2: Convert to fraction form
    705,311.53/973,627.85 = 476,179.17/x
  3. Step 3: Cross multiply
    705,311.53x = 973,627.85 × 476,179.17
  4. Step 4: Simplify right side
    705,311.53x = 463,621,301,501.88
  5. Step 5: Solve for x
    x = 463,621,301,501.88/705,311.53
  6. Step 6: Final answer
    x = 657,328.40

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Double scale
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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.