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Finding the Fourth Proportional to 675,890.91, 932,666.15 and 403,904.67

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Solution

The fourth proportional to 675,890.91, 932,666.15 and 403,904.67 is: 557,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,890.91 : 932,666.15 = 403,904.67 : x
  2. Step 2: Convert to fraction form
    675,890.91/932,666.15 = 403,904.67/x
  3. Step 3: Cross multiply
    675,890.91x = 932,666.15 × 403,904.67
  4. Step 4: Simplify right side
    675,890.91x = 376,708,211,516.40
  5. Step 5: Solve for x
    x = 376,708,211,516.40/675,890.91
  6. Step 6: Final answer
    x = 557,350.61

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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.