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Finding the Fourth Proportional to 676,842.79, 934,467.75 and 435,544.69

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Solution

The fourth proportional to 676,842.79, 934,467.75 and 435,544.69 is: 601,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,842.79 : 934,467.75 = 435,544.69 : x
  2. Step 2: Convert to fraction form
    676,842.79/934,467.75 = 435,544.69/x
  3. Step 3: Cross multiply
    676,842.79x = 934,467.75 × 435,544.69
  4. Step 4: Simplify right side
    676,842.79x = 407,002,466,488.75
  5. Step 5: Solve for x
    x = 407,002,466,488.75/676,842.79
  6. Step 6: Final answer
    x = 601,324.96

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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.