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Finding the Fourth Proportional to 565,521,801.45, 848,282,702.18 and 293,424,009.45

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Solution

The fourth proportional to 565,521,801.45, 848,282,702.18 and 293,424,009.45 is: 440,136,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,521,801.45 : 848,282,702.18 = 293,424,009.45 : x
  2. Step 2: Convert to fraction form
    565,521,801.45/848,282,702.18 = 293,424,009.45/x
  3. Step 3: Cross multiply
    565,521,801.45x = 848,282,702.18 × 293,424,009.45
  4. Step 4: Simplify right side
    565,521,801.45x = 248,906,511,620,735,840
  5. Step 5: Solve for x
    x = 248,906,511,620,735,840/565,521,801.45
  6. Step 6: Final answer
    x = 440,136,014.18

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Double scale
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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.