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Finding the Fourth Proportional to 604,858.30, 907,396.80 and 304,583.20

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Solution

The fourth proportional to 604,858.30, 907,396.80 and 304,583.20 is: 456,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,858.30 : 907,396.80 = 304,583.20 : x
  2. Step 2: Convert to fraction form
    604,858.30/907,396.80 = 304,583.20/x
  3. Step 3: Cross multiply
    604,858.30x = 907,396.80 × 304,583.20
  4. Step 4: Simplify right side
    604,858.30x = 276,377,821,013.76
  5. Step 5: Solve for x
    x = 276,377,821,013.76/604,858.30
  6. Step 6: Final answer
    x = 456,929.86

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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.