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Finding the Fourth Proportional to 995.02, 1,492.54 and 556.01

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Solution

The fourth proportional to 995.02, 1,492.54 and 556.01 is: 834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.02 : 1,492.54 = 556.01 : x
  2. Step 2: Convert to fraction form
    995.02/1,492.54 = 556.01/x
  3. Step 3: Cross multiply
    995.02x = 1,492.54 × 556.01
  4. Step 4: Simplify right side
    995.02x = 829,869.51
  5. Step 5: Solve for x
    x = 829,869.51/995.02
  6. Step 6: Final answer
    x = 834.03

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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.