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Finding the Fourth Proportional to 474,969.96, 655,460.64 and 260,111.52

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Solution

The fourth proportional to 474,969.96, 655,460.64 and 260,111.52 is: 358,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,969.96 : 655,460.64 = 260,111.52 : x
  2. Step 2: Convert to fraction form
    474,969.96/655,460.64 = 260,111.52/x
  3. Step 3: Cross multiply
    474,969.96x = 655,460.64 × 260,111.52
  4. Step 4: Simplify right side
    474,969.96x = 170,492,863,370.57
  5. Step 5: Solve for x
    x = 170,492,863,370.57/474,969.96
  6. Step 6: Final answer
    x = 358,955.05

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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.