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Finding the Fourth Proportional to 572,596.05, 790,255.13 and 346,366.29

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Solution

The fourth proportional to 572,596.05, 790,255.13 and 346,366.29 is: 478,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,596.05 : 790,255.13 = 346,366.29 : x
  2. Step 2: Convert to fraction form
    572,596.05/790,255.13 = 346,366.29/x
  3. Step 3: Cross multiply
    572,596.05x = 790,255.13 × 346,366.29
  4. Step 4: Simplify right side
    572,596.05x = 273,717,735,799.74
  5. Step 5: Solve for x
    x = 273,717,735,799.74/572,596.05
  6. Step 6: Final answer
    x = 478,029.38

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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.