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Finding the Fourth Proportional to 374,447,999.70, 560,916,172.35 and 374,447,999.70

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Solution

The fourth proportional to 374,447,999.70, 560,916,172.35 and 374,447,999.70 is: 560,916,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,447,999.70 : 560,916,172.35 = 374,447,999.70 : x
  2. Step 2: Convert to fraction form
    374,447,999.70/560,916,172.35 = 374,447,999.70/x
  3. Step 3: Cross multiply
    374,447,999.70x = 560,916,172.35 × 374,447,999.70
  4. Step 4: Simplify right side
    374,447,999.70x = 210,033,938,735,837,952
  5. Step 5: Solve for x
    x = 210,033,938,735,837,952/374,447,999.70
  6. Step 6: Final answer
    x = 560,916,172.35

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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.