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Finding the Fourth Proportional to 237,807,765.90, 356,711,648.85 and 201,528,060.30

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Solution

The fourth proportional to 237,807,765.90, 356,711,648.85 and 201,528,060.30 is: 302,292,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,807,765.90 : 356,711,648.85 = 201,528,060.30 : x
  2. Step 2: Convert to fraction form
    237,807,765.90/356,711,648.85 = 201,528,060.30/x
  3. Step 3: Cross multiply
    237,807,765.90x = 356,711,648.85 × 201,528,060.30
  4. Step 4: Simplify right side
    237,807,765.90x = 71,887,406,679,155,232
  5. Step 5: Solve for x
    x = 71,887,406,679,155,232/237,807,765.90
  6. Step 6: Final answer
    x = 302,292,090.45

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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.