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Finding the Fourth Proportional to 1,003,583.04, 1,505,669.88 and 404,235.66

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Solution

The fourth proportional to 1,003,583.04, 1,505,669.88 and 404,235.66 is: 606,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,583.04 : 1,505,669.88 = 404,235.66 : x
  2. Step 2: Convert to fraction form
    1,003,583.04/1,505,669.88 = 404,235.66/x
  3. Step 3: Cross multiply
    1,003,583.04x = 1,505,669.88 × 404,235.66
  4. Step 4: Simplify right side
    1,003,583.04x = 608,645,457,683.92
  5. Step 5: Solve for x
    x = 608,645,457,683.92/1,003,583.04
  6. Step 6: Final answer
    x = 606,472.44

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Double scale
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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.