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Finding the Fourth Proportional to 614,532,464.40, 921,798,696.60 and 604,328,797.20

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Solution

The fourth proportional to 614,532,464.40, 921,798,696.60 and 604,328,797.20 is: 906,493,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,532,464.40 : 921,798,696.60 = 604,328,797.20 : x
  2. Step 2: Convert to fraction form
    614,532,464.40/921,798,696.60 = 604,328,797.20/x
  3. Step 3: Cross multiply
    614,532,464.40x = 921,798,696.60 × 604,328,797.20
  4. Step 4: Simplify right side
    614,532,464.40x = 557,069,497,576,805,760
  5. Step 5: Solve for x
    x = 557,069,497,576,805,760/614,532,464.40
  6. Step 6: Final answer
    x = 906,493,195.80

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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.