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Finding the Fourth Proportional to 676,089.92, 932,846.40 and 461,676.48

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Solution

The fourth proportional to 676,089.92, 932,846.40 and 461,676.48 is: 637,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,089.92 : 932,846.40 = 461,676.48 : x
  2. Step 2: Convert to fraction form
    676,089.92/932,846.40 = 461,676.48/x
  3. Step 3: Cross multiply
    676,089.92x = 932,846.40 × 461,676.48
  4. Step 4: Simplify right side
    676,089.92x = 430,673,242,332.67
  5. Step 5: Solve for x
    x = 430,673,242,332.67/676,089.92
  6. Step 6: Final answer
    x = 637,005.86

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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.