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Finding the Fourth Proportional to 1,674,953.80, 2,512,430.70 and 1,597,971.40

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Solution

The fourth proportional to 1,674,953.80, 2,512,430.70 and 1,597,971.40 is: 2,396,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,953.80 : 2,512,430.70 = 1,597,971.40 : x
  2. Step 2: Convert to fraction form
    1,674,953.80/2,512,430.70 = 1,597,971.40/x
  3. Step 3: Cross multiply
    1,674,953.80x = 2,512,430.70 × 1,597,971.40
  4. Step 4: Simplify right side
    1,674,953.80x = 4,014,792,403,081.98
  5. Step 5: Solve for x
    x = 4,014,792,403,081.98/1,674,953.80
  6. Step 6: Final answer
    x = 2,396,957.10

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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.