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Finding the Fourth Proportional to 325,937,341.80, 488,906,012.70 and 249,409,837.80

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Solution

The fourth proportional to 325,937,341.80, 488,906,012.70 and 249,409,837.80 is: 374,114,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,937,341.80 : 488,906,012.70 = 249,409,837.80 : x
  2. Step 2: Convert to fraction form
    325,937,341.80/488,906,012.70 = 249,409,837.80/x
  3. Step 3: Cross multiply
    325,937,341.80x = 488,906,012.70 × 249,409,837.80
  4. Step 4: Simplify right side
    325,937,341.80x = 121,937,969,326,951,744
  5. Step 5: Solve for x
    x = 121,937,969,326,951,744/325,937,341.80
  6. Step 6: Final answer
    x = 374,114,756.70

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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.