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Finding the Fourth Proportional to 887,623.15, 1,330,880 and 375,024.79

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Solution

The fourth proportional to 887,623.15, 1,330,880 and 375,024.79 is: 562,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,623.15 : 1,330,880 = 375,024.79 : x
  2. Step 2: Convert to fraction form
    887,623.15/1,330,880 = 375,024.79/x
  3. Step 3: Cross multiply
    887,623.15x = 1,330,880 × 375,024.79
  4. Step 4: Simplify right side
    887,623.15x = 499,112,992,515.20
  5. Step 5: Solve for x
    x = 499,112,992,515.20/887,623.15
  6. Step 6: Final answer
    x = 562,302.81

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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.