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Finding the Fourth Proportional to 344,453.12, 475,284.48 and 210,360.32

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Solution

The fourth proportional to 344,453.12, 475,284.48 and 210,360.32 is: 290,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,453.12 : 475,284.48 = 210,360.32 : x
  2. Step 2: Convert to fraction form
    344,453.12/475,284.48 = 210,360.32/x
  3. Step 3: Cross multiply
    344,453.12x = 475,284.48 × 210,360.32
  4. Step 4: Simplify right side
    344,453.12x = 99,980,995,303.83
  5. Step 5: Solve for x
    x = 99,980,995,303.83/344,453.12
  6. Step 6: Final answer
    x = 290,260.09

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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.