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Finding the Fourth Proportional to 452,647.71, 624,708.16 and 271,459.32

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Solution

The fourth proportional to 452,647.71, 624,708.16 and 271,459.32 is: 374,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,647.71 : 624,708.16 = 271,459.32 : x
  2. Step 2: Convert to fraction form
    452,647.71/624,708.16 = 271,459.32/x
  3. Step 3: Cross multiply
    452,647.71x = 624,708.16 × 271,459.32
  4. Step 4: Simplify right side
    452,647.71x = 169,582,852,312.05
  5. Step 5: Solve for x
    x = 169,582,852,312.05/452,647.71
  6. Step 6: Final answer
    x = 374,646.44

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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.