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Finding the Fourth Proportional to 610,595.28, 915,834.60 and 373,816.08

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Solution

The fourth proportional to 610,595.28, 915,834.60 and 373,816.08 is: 560,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,595.28 : 915,834.60 = 373,816.08 : x
  2. Step 2: Convert to fraction form
    610,595.28/915,834.60 = 373,816.08/x
  3. Step 3: Cross multiply
    610,595.28x = 915,834.60 × 373,816.08
  4. Step 4: Simplify right side
    610,595.28x = 342,353,700,100.37
  5. Step 5: Solve for x
    x = 342,353,700,100.37/610,595.28
  6. Step 6: Final answer
    x = 560,688.42

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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.