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Finding the Fourth Proportional to 604,993.20, 907,271.10 and 305,374.20

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Solution

The fourth proportional to 604,993.20, 907,271.10 and 305,374.20 is: 457,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,993.20 : 907,271.10 = 305,374.20 : x
  2. Step 2: Convert to fraction form
    604,993.20/907,271.10 = 305,374.20/x
  3. Step 3: Cross multiply
    604,993.20x = 907,271.10 × 305,374.20
  4. Step 4: Simplify right side
    604,993.20x = 277,057,186,345.62
  5. Step 5: Solve for x
    x = 277,057,186,345.62/604,993.20
  6. Step 6: Final answer
    x = 457,950.91

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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.