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Finding the Fourth Proportional to 287,244.60, 429,846.30 and 250,211.40

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Solution

The fourth proportional to 287,244.60, 429,846.30 and 250,211.40 is: 374,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,244.60 : 429,846.30 = 250,211.40 : x
  2. Step 2: Convert to fraction form
    287,244.60/429,846.30 = 250,211.40/x
  3. Step 3: Cross multiply
    287,244.60x = 429,846.30 × 250,211.40
  4. Step 4: Simplify right side
    287,244.60x = 107,552,444,507.82
  5. Step 5: Solve for x
    x = 107,552,444,507.82/287,244.60
  6. Step 6: Final answer
    x = 374,428.08

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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.