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Finding the Fourth Proportional to 553,608.16, 763,820.04 and 360,300.44

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Solution

The fourth proportional to 553,608.16, 763,820.04 and 360,300.44 is: 497,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,608.16 : 763,820.04 = 360,300.44 : x
  2. Step 2: Convert to fraction form
    553,608.16/763,820.04 = 360,300.44/x
  3. Step 3: Cross multiply
    553,608.16x = 763,820.04 × 360,300.44
  4. Step 4: Simplify right side
    553,608.16x = 275,204,696,492.82
  5. Step 5: Solve for x
    x = 275,204,696,492.82/553,608.16
  6. Step 6: Final answer
    x = 497,110.98

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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.