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Finding the Fourth Proportional to 372,595.12, 514,252.12 and 211,465.26

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Solution

The fourth proportional to 372,595.12, 514,252.12 and 211,465.26 is: 291,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,595.12 : 514,252.12 = 211,465.26 : x
  2. Step 2: Convert to fraction form
    372,595.12/514,252.12 = 211,465.26/x
  3. Step 3: Cross multiply
    372,595.12x = 514,252.12 × 211,465.26
  4. Step 4: Simplify right side
    372,595.12x = 108,746,458,261.35
  5. Step 5: Solve for x
    x = 108,746,458,261.35/372,595.12
  6. Step 6: Final answer
    x = 291,862.27

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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.