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Finding the Fourth Proportional to 474,999.06, 655,492.02 and 260,139.07

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Solution

The fourth proportional to 474,999.06, 655,492.02 and 260,139.07 is: 358,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,999.06 : 655,492.02 = 260,139.07 : x
  2. Step 2: Convert to fraction form
    474,999.06/655,492.02 = 260,139.07/x
  3. Step 3: Cross multiply
    474,999.06x = 655,492.02 × 260,139.07
  4. Step 4: Simplify right side
    474,999.06x = 170,519,084,475.22
  5. Step 5: Solve for x
    x = 170,519,084,475.22/474,999.06
  6. Step 6: Final answer
    x = 358,988.26

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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.