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Finding the Fourth Proportional to 432,534.36, 648,801.54 and 222,055.32

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Solution

The fourth proportional to 432,534.36, 648,801.54 and 222,055.32 is: 333,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,534.36 : 648,801.54 = 222,055.32 : x
  2. Step 2: Convert to fraction form
    432,534.36/648,801.54 = 222,055.32/x
  3. Step 3: Cross multiply
    432,534.36x = 648,801.54 × 222,055.32
  4. Step 4: Simplify right side
    432,534.36x = 144,069,833,581.19
  5. Step 5: Solve for x
    x = 144,069,833,581.19/432,534.36
  6. Step 6: Final answer
    x = 333,082.98

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Similar ratio
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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.