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Finding the Fourth Proportional to 237,987,008.40, 356,308,666.20 and 237,987,008.40

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Solution

The fourth proportional to 237,987,008.40, 356,308,666.20 and 237,987,008.40 is: 356,308,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,987,008.40 : 356,308,666.20 = 237,987,008.40 : x
  2. Step 2: Convert to fraction form
    237,987,008.40/356,308,666.20 = 237,987,008.40/x
  3. Step 3: Cross multiply
    237,987,008.40x = 356,308,666.20 × 237,987,008.40
  4. Step 4: Simplify right side
    237,987,008.40x = 84,796,833,535,932,192
  5. Step 5: Solve for x
    x = 84,796,833,535,932,192/237,987,008.40
  6. Step 6: Final answer
    x = 356,308,666.20

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1.5x scale

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.