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Finding the Fourth Proportional to 719,297.52, 993,028.32 and 432,888

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Solution

The fourth proportional to 719,297.52, 993,028.32 and 432,888 is: 597,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,297.52 : 993,028.32 = 432,888 : x
  2. Step 2: Convert to fraction form
    719,297.52/993,028.32 = 432,888/x
  3. Step 3: Cross multiply
    719,297.52x = 993,028.32 × 432,888
  4. Step 4: Simplify right side
    719,297.52x = 429,870,043,388.16
  5. Step 5: Solve for x
    x = 429,870,043,388.16/719,297.52
  6. Step 6: Final answer
    x = 597,624.81

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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.