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Finding the Fourth Proportional to 624,077,130.90, 936,115,696.35 and 317,967,114.90

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Solution

The fourth proportional to 624,077,130.90, 936,115,696.35 and 317,967,114.90 is: 476,950,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,077,130.90 : 936,115,696.35 = 317,967,114.90 : x
  2. Step 2: Convert to fraction form
    624,077,130.90/936,115,696.35 = 317,967,114.90/x
  3. Step 3: Cross multiply
    624,077,130.90x = 936,115,696.35 × 317,967,114.90
  4. Step 4: Simplify right side
    624,077,130.90x = 297,654,007,181,013,952
  5. Step 5: Solve for x
    x = 297,654,007,181,013,952/624,077,130.90
  6. Step 6: Final answer
    x = 476,950,672.35

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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.