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Finding the Fourth Proportional to 589,517.78, 884,463.59 and 210,430.12

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Solution

The fourth proportional to 589,517.78, 884,463.59 and 210,430.12 is: 315,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,517.78 : 884,463.59 = 210,430.12 : x
  2. Step 2: Convert to fraction form
    589,517.78/884,463.59 = 210,430.12/x
  3. Step 3: Cross multiply
    589,517.78x = 884,463.59 × 210,430.12
  4. Step 4: Simplify right side
    589,517.78x = 186,117,775,483.09
  5. Step 5: Solve for x
    x = 186,117,775,483.09/589,517.78
  6. Step 6: Final answer
    x = 315,711.90

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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.