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Finding the Fourth Proportional to 377,095.68, 565,509.60 and 124,315.20

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Solution

The fourth proportional to 377,095.68, 565,509.60 and 124,315.20 is: 186,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,095.68 : 565,509.60 = 124,315.20 : x
  2. Step 2: Convert to fraction form
    377,095.68/565,509.60 = 124,315.20/x
  3. Step 3: Cross multiply
    377,095.68x = 565,509.60 × 124,315.20
  4. Step 4: Simplify right side
    377,095.68x = 70,301,439,025.92
  5. Step 5: Solve for x
    x = 70,301,439,025.92/377,095.68
  6. Step 6: Final answer
    x = 186,428.65

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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.