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Finding the Fourth Proportional to 210,004,356.40, 293,289,462.80 and 210,004,356.40

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Solution

The fourth proportional to 210,004,356.40, 293,289,462.80 and 210,004,356.40 is: 293,289,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004,356.40 : 293,289,462.80 = 210,004,356.40 : x
  2. Step 2: Convert to fraction form
    210,004,356.40/293,289,462.80 = 210,004,356.40/x
  3. Step 3: Cross multiply
    210,004,356.40x = 293,289,462.80 × 210,004,356.40
  4. Step 4: Simplify right side
    210,004,356.40x = 61,592,064,874,215,744
  5. Step 5: Solve for x
    x = 61,592,064,874,215,744/210,004,356.40
  6. Step 6: Final answer
    x = 293,289,462.80

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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.