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Finding the Fourth Proportional to 604,958.70, 907,438.05 and 447,494.70

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Solution

The fourth proportional to 604,958.70, 907,438.05 and 447,494.70 is: 671,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,958.70 : 907,438.05 = 447,494.70 : x
  2. Step 2: Convert to fraction form
    604,958.70/907,438.05 = 447,494.70/x
  3. Step 3: Cross multiply
    604,958.70x = 907,438.05 × 447,494.70
  4. Step 4: Simplify right side
    604,958.70x = 406,073,717,953.34
  5. Step 5: Solve for x
    x = 406,073,717,953.34/604,958.70
  6. Step 6: Final answer
    x = 671,242.05

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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.