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Finding the Fourth Proportional to 352,513,458.40, 528,770,187.60 and 352,513,458.40

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Solution

The fourth proportional to 352,513,458.40, 528,770,187.60 and 352,513,458.40 is: 528,770,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513,458.40 : 528,770,187.60 = 352,513,458.40 : x
  2. Step 2: Convert to fraction form
    352,513,458.40/528,770,187.60 = 352,513,458.40/x
  3. Step 3: Cross multiply
    352,513,458.40x = 528,770,187.60 × 352,513,458.40
  4. Step 4: Simplify right side
    352,513,458.40x = 186,398,607,529,692,800
  5. Step 5: Solve for x
    x = 186,398,607,529,692,800/352,513,458.40
  6. Step 6: Final answer
    x = 528,770,187.60

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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.