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Finding the Fourth Proportional to 707,314.35, 974,234.37 and 543,657.87

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Solution

The fourth proportional to 707,314.35, 974,234.37 and 543,657.87 is: 748,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,314.35 : 974,234.37 = 543,657.87 : x
  2. Step 2: Convert to fraction form
    707,314.35/974,234.37 = 543,657.87/x
  3. Step 3: Cross multiply
    707,314.35x = 974,234.37 × 543,657.87
  4. Step 4: Simplify right side
    707,314.35x = 529,650,182,474.99
  5. Step 5: Solve for x
    x = 529,650,182,474.99/707,314.35
  6. Step 6: Final answer
    x = 748,818.66

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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.