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Finding the Fourth Proportional to 471,888.64, 651,197.28 and 257,026.24

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Solution

The fourth proportional to 471,888.64, 651,197.28 and 257,026.24 is: 354,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,888.64 : 651,197.28 = 257,026.24 : x
  2. Step 2: Convert to fraction form
    471,888.64/651,197.28 = 257,026.24/x
  3. Step 3: Cross multiply
    471,888.64x = 651,197.28 × 257,026.24
  4. Step 4: Simplify right side
    471,888.64x = 167,374,788,376.63
  5. Step 5: Solve for x
    x = 167,374,788,376.63/471,888.64
  6. Step 6: Final answer
    x = 354,691.29

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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.