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Finding the Fourth Proportional to 564,572.08, 778,919.72 and 360,742.31

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Solution

The fourth proportional to 564,572.08, 778,919.72 and 360,742.31 is: 497,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,572.08 : 778,919.72 = 360,742.31 : x
  2. Step 2: Convert to fraction form
    564,572.08/778,919.72 = 360,742.31/x
  3. Step 3: Cross multiply
    564,572.08x = 778,919.72 × 360,742.31
  4. Step 4: Simplify right side
    564,572.08x = 280,989,297,334.58
  5. Step 5: Solve for x
    x = 280,989,297,334.58/564,572.08
  6. Step 6: Final answer
    x = 497,703.14

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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.