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Finding the Fourth Proportional to 310,060,350.60, 465,090,525.90 and 218,227,345.80

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Solution

The fourth proportional to 310,060,350.60, 465,090,525.90 and 218,227,345.80 is: 327,341,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,060,350.60 : 465,090,525.90 = 218,227,345.80 : x
  2. Step 2: Convert to fraction form
    310,060,350.60/465,090,525.90 = 218,227,345.80/x
  3. Step 3: Cross multiply
    310,060,350.60x = 465,090,525.90 × 218,227,345.80
  4. Step 4: Simplify right side
    310,060,350.60x = 101,495,471,023,883,152
  5. Step 5: Solve for x
    x = 101,495,471,023,883,152/310,060,350.60
  6. Step 6: Final answer
    x = 327,341,018.70

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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.