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Finding the Fourth Proportional to 604,450.90, 906,417.15 and 304,815.70

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Solution

The fourth proportional to 604,450.90, 906,417.15 and 304,815.70 is: 457,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,450.90 : 906,417.15 = 304,815.70 : x
  2. Step 2: Convert to fraction form
    604,450.90/906,417.15 = 304,815.70/x
  3. Step 3: Cross multiply
    604,450.90x = 906,417.15 × 304,815.70
  4. Step 4: Simplify right side
    604,450.90x = 276,290,178,069.26
  5. Step 5: Solve for x
    x = 276,290,178,069.26/604,450.90
  6. Step 6: Final answer
    x = 457,092.84

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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.