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Finding the Fourth Proportional to 707,005.99, 975,652.32 and 384,716.98

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Solution

The fourth proportional to 707,005.99, 975,652.32 and 384,716.98 is: 530,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,005.99 : 975,652.32 = 384,716.98 : x
  2. Step 2: Convert to fraction form
    707,005.99/975,652.32 = 384,716.98/x
  3. Step 3: Cross multiply
    707,005.99x = 975,652.32 × 384,716.98
  4. Step 4: Simplify right side
    707,005.99x = 375,350,014,080.39
  5. Step 5: Solve for x
    x = 375,350,014,080.39/707,005.99
  6. Step 6: Final answer
    x = 530,900.76

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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.