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Finding the Fourth Proportional to 954,328.65, 1,431,492.98 and 907,672.65

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Solution

The fourth proportional to 954,328.65, 1,431,492.98 and 907,672.65 is: 1,361,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,328.65 : 1,431,492.98 = 907,672.65 : x
  2. Step 2: Convert to fraction form
    954,328.65/1,431,492.98 = 907,672.65/x
  3. Step 3: Cross multiply
    954,328.65x = 1,431,492.98 × 907,672.65
  4. Step 4: Simplify right side
    954,328.65x = 1,299,327,022,074.63
  5. Step 5: Solve for x
    x = 1,299,327,022,074.63/954,328.65
  6. Step 6: Final answer
    x = 1,361,508.98

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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.