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Finding the Fourth Proportional to 604,586.40, 834,336.26 and 346,458.24

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Solution

The fourth proportional to 604,586.40, 834,336.26 and 346,458.24 is: 478,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,586.40 : 834,336.26 = 346,458.24 : x
  2. Step 2: Convert to fraction form
    604,586.40/834,336.26 = 346,458.24/x
  3. Step 3: Cross multiply
    604,586.40x = 834,336.26 × 346,458.24
  4. Step 4: Simplify right side
    604,586.40x = 289,062,672,207.78
  5. Step 5: Solve for x
    x = 289,062,672,207.78/604,586.40
  6. Step 6: Final answer
    x = 478,116.40

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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.