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Finding the Fourth Proportional to 554,404,843.80, 831,607,265.70 and 282,307,051.80

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Solution

The fourth proportional to 554,404,843.80, 831,607,265.70 and 282,307,051.80 is: 423,460,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,404,843.80 : 831,607,265.70 = 282,307,051.80 : x
  2. Step 2: Convert to fraction form
    554,404,843.80/831,607,265.70 = 282,307,051.80/x
  3. Step 3: Cross multiply
    554,404,843.80x = 831,607,265.70 × 282,307,051.80
  4. Step 4: Simplify right side
    554,404,843.80x = 234,768,595,435,226,272
  5. Step 5: Solve for x
    x = 234,768,595,435,226,272/554,404,843.80
  6. Step 6: Final answer
    x = 423,460,577.70

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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.