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Finding the Fourth Proportional to 604,635.24, 907,108.68 and 434,054.70

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Solution

The fourth proportional to 604,635.24, 907,108.68 and 434,054.70 is: 651,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,635.24 : 907,108.68 = 434,054.70 : x
  2. Step 2: Convert to fraction form
    604,635.24/907,108.68 = 434,054.70/x
  3. Step 3: Cross multiply
    604,635.24x = 907,108.68 × 434,054.70
  4. Step 4: Simplify right side
    604,635.24x = 393,734,785,964.80
  5. Step 5: Solve for x
    x = 393,734,785,964.80/604,635.24
  6. Step 6: Final answer
    x = 651,193.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.