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Finding the Fourth Proportional to 652,407,614.60, 978,611,421.90 and 362,169,969.80

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Solution

The fourth proportional to 652,407,614.60, 978,611,421.90 and 362,169,969.80 is: 543,254,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,407,614.60 : 978,611,421.90 = 362,169,969.80 : x
  2. Step 2: Convert to fraction form
    652,407,614.60/978,611,421.90 = 362,169,969.80/x
  3. Step 3: Cross multiply
    652,407,614.60x = 978,611,421.90 × 362,169,969.80
  4. Step 4: Simplify right side
    652,407,614.60x = 354,423,669,115,458,048
  5. Step 5: Solve for x
    x = 354,423,669,115,458,048/652,407,614.60
  6. Step 6: Final answer
    x = 543,254,954.70

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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.