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Finding the Fourth Proportional to 705,346.92, 973,676.76 and 476,214.72

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Solution

The fourth proportional to 705,346.92, 973,676.76 and 476,214.72 is: 657,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,346.92 : 973,676.76 = 476,214.72 : x
  2. Step 2: Convert to fraction form
    705,346.92/973,676.76 = 476,214.72/x
  3. Step 3: Cross multiply
    705,346.92x = 973,676.76 × 476,214.72
  4. Step 4: Simplify right side
    705,346.92x = 463,679,205,633.91
  5. Step 5: Solve for x
    x = 463,679,205,633.91/705,346.92
  6. Step 6: Final answer
    x = 657,377.52

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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.