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Finding the Fourth Proportional to 507,103,578.99, 760,764,445.11 and 157,342,639.50

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Solution

The fourth proportional to 507,103,578.99, 760,764,445.11 and 157,342,639.50 is: 236,047,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,103,578.99 : 760,764,445.11 = 157,342,639.50 : x
  2. Step 2: Convert to fraction form
    507,103,578.99/760,764,445.11 = 157,342,639.50/x
  3. Step 3: Cross multiply
    507,103,578.99x = 760,764,445.11 × 157,342,639.50
  4. Step 4: Simplify right side
    507,103,578.99x = 119,700,685,831,360,272
  5. Step 5: Solve for x
    x = 119,700,685,831,360,272/507,103,578.99
  6. Step 6: Final answer
    x = 236,047,803.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.