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Finding the Fourth Proportional to 594,640,897.20, 891,961,345.80 and 472,196,890.80

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Solution

The fourth proportional to 594,640,897.20, 891,961,345.80 and 472,196,890.80 is: 708,295,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,640,897.20 : 891,961,345.80 = 472,196,890.80 : x
  2. Step 2: Convert to fraction form
    594,640,897.20/891,961,345.80 = 472,196,890.80/x
  3. Step 3: Cross multiply
    594,640,897.20x = 891,961,345.80 × 472,196,890.80
  4. Step 4: Simplify right side
    594,640,897.20x = 421,181,374,200,543,616
  5. Step 5: Solve for x
    x = 421,181,374,200,543,616/594,640,897.20
  6. Step 6: Final answer
    x = 708,295,336.20

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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.