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Finding the Fourth Proportional to 325,437.34, 487,973.22 and 222,970.36

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Solution

The fourth proportional to 325,437.34, 487,973.22 and 222,970.36 is: 334,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,437.34 : 487,973.22 = 222,970.36 : x
  2. Step 2: Convert to fraction form
    325,437.34/487,973.22 = 222,970.36/x
  3. Step 3: Cross multiply
    325,437.34x = 487,973.22 × 222,970.36
  4. Step 4: Simplify right side
    325,437.34x = 108,803,564,533.76
  5. Step 5: Solve for x
    x = 108,803,564,533.76/325,437.34
  6. Step 6: Final answer
    x = 334,330.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.