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Finding the Fourth Proportional to 693,030.87, 956,024.37 and 438,529.68

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Solution

The fourth proportional to 693,030.87, 956,024.37 and 438,529.68 is: 604,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,030.87 : 956,024.37 = 438,529.68 : x
  2. Step 2: Convert to fraction form
    693,030.87/956,024.37 = 438,529.68/x
  3. Step 3: Cross multiply
    693,030.87x = 956,024.37 × 438,529.68
  4. Step 4: Simplify right side
    693,030.87x = 419,245,061,048.30
  5. Step 5: Solve for x
    x = 419,245,061,048.30/693,030.87
  6. Step 6: Final answer
    x = 604,944.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.