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Finding the Fourth Proportional to 588,586.88, 812,225.40 and 346,879.64

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Solution

The fourth proportional to 588,586.88, 812,225.40 and 346,879.64 is: 478,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,586.88 : 812,225.40 = 346,879.64 : x
  2. Step 2: Convert to fraction form
    588,586.88/812,225.40 = 346,879.64/x
  3. Step 3: Cross multiply
    588,586.88x = 812,225.40 × 346,879.64
  4. Step 4: Simplify right side
    588,586.88x = 281,744,454,350.86
  5. Step 5: Solve for x
    x = 281,744,454,350.86/588,586.88
  6. Step 6: Final answer
    x = 478,679.47

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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.