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Finding the Fourth Proportional to 1,313,692.03, 1,970,597.34 and 402,807.96

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Solution

The fourth proportional to 1,313,692.03, 1,970,597.34 and 402,807.96 is: 604,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,692.03 : 1,970,597.34 = 402,807.96 : x
  2. Step 2: Convert to fraction form
    1,313,692.03/1,970,597.34 = 402,807.96/x
  3. Step 3: Cross multiply
    1,313,692.03x = 1,970,597.34 × 402,807.96
  4. Step 4: Simplify right side
    1,313,692.03x = 793,772,298,916.23
  5. Step 5: Solve for x
    x = 793,772,298,916.23/1,313,692.03
  6. Step 6: Final answer
    x = 604,230.12

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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.