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Finding the Fourth Proportional to 604,830.80, 907,355.55 and 304,555.70

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Solution

The fourth proportional to 604,830.80, 907,355.55 and 304,555.70 is: 456,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,830.80 : 907,355.55 = 304,555.70 : x
  2. Step 2: Convert to fraction form
    604,830.80/907,355.55 = 304,555.70/x
  3. Step 3: Cross multiply
    604,830.80x = 907,355.55 × 304,555.70
  4. Step 4: Simplify right side
    604,830.80x = 276,340,304,679.14
  5. Step 5: Solve for x
    x = 276,340,304,679.14/604,830.80
  6. Step 6: Final answer
    x = 456,888.61

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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.