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Finding the Fourth Proportional to 604,998,674.80, 907,498,012.20 and 604,998,674.80

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Solution

The fourth proportional to 604,998,674.80, 907,498,012.20 and 604,998,674.80 is: 907,498,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,998,674.80 : 907,498,012.20 = 604,998,674.80 : x
  2. Step 2: Convert to fraction form
    604,998,674.80/907,498,012.20 = 604,998,674.80/x
  3. Step 3: Cross multiply
    604,998,674.80x = 907,498,012.20 × 604,998,674.80
  4. Step 4: Simplify right side
    604,998,674.80x = 549,035,094,764,634,240
  5. Step 5: Solve for x
    x = 549,035,094,764,634,240/604,998,674.80
  6. Step 6: Final answer
    x = 907,498,012.20

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Similar ratio
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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.