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Finding the Fourth Proportional to 341,477.20, 471,018.60 and 207,341.20

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Solution

The fourth proportional to 341,477.20, 471,018.60 and 207,341.20 is: 285,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,477.20 : 471,018.60 = 207,341.20 : x
  2. Step 2: Convert to fraction form
    341,477.20/471,018.60 = 207,341.20/x
  3. Step 3: Cross multiply
    341,477.20x = 471,018.60 × 207,341.20
  4. Step 4: Simplify right side
    341,477.20x = 97,661,561,746.32
  5. Step 5: Solve for x
    x = 97,661,561,746.32/341,477.20
  6. Step 6: Final answer
    x = 285,997.31

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1.5x scale

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.