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Finding the Fourth Proportional to 608,365.34, 912,243.45 and 187,586.54

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Solution

The fourth proportional to 608,365.34, 912,243.45 and 187,586.54 is: 281,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,365.34 : 912,243.45 = 187,586.54 : x
  2. Step 2: Convert to fraction form
    608,365.34/912,243.45 = 187,586.54/x
  3. Step 3: Cross multiply
    608,365.34x = 912,243.45 × 187,586.54
  4. Step 4: Simplify right side
    608,365.34x = 171,124,592,423.16
  5. Step 5: Solve for x
    x = 171,124,592,423.16/608,365.34
  6. Step 6: Final answer
    x = 281,285.90

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1.5x scale

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.