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Finding the Fourth Proportional to 187,840,698.80, 262,439,501.20 and 187,840,698.80

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Solution

The fourth proportional to 187,840,698.80, 262,439,501.20 and 187,840,698.80 is: 262,439,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,840,698.80 : 262,439,501.20 = 187,840,698.80 : x
  2. Step 2: Convert to fraction form
    187,840,698.80/262,439,501.20 = 187,840,698.80/x
  3. Step 3: Cross multiply
    187,840,698.80x = 262,439,501.20 × 187,840,698.80
  4. Step 4: Simplify right side
    187,840,698.80x = 49,296,819,298,131,440
  5. Step 5: Solve for x
    x = 49,296,819,298,131,440/187,840,698.80
  6. Step 6: Final answer
    x = 262,439,501.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.