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Finding the Fourth Proportional to 677,377.79, 934,883.54 and 432,467.19

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Solution

The fourth proportional to 677,377.79, 934,883.54 and 432,467.19 is: 596,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,377.79 : 934,883.54 = 432,467.19 : x
  2. Step 2: Convert to fraction form
    677,377.79/934,883.54 = 432,467.19/x
  3. Step 3: Cross multiply
    677,377.79x = 934,883.54 × 432,467.19
  4. Step 4: Simplify right side
    677,377.79x = 404,306,455,358.72
  5. Step 5: Solve for x
    x = 404,306,455,358.72/677,377.79
  6. Step 6: Final answer
    x = 596,869.97

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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.