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Finding the Fourth Proportional to 472,903.54, 652,622.64 and 258,055.40

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Solution

The fourth proportional to 472,903.54, 652,622.64 and 258,055.40 is: 356,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,903.54 : 652,622.64 = 258,055.40 : x
  2. Step 2: Convert to fraction form
    472,903.54/652,622.64 = 258,055.40/x
  3. Step 3: Cross multiply
    472,903.54x = 652,622.64 × 258,055.40
  4. Step 4: Simplify right side
    472,903.54x = 168,412,793,407.10
  5. Step 5: Solve for x
    x = 168,412,793,407.10/472,903.54
  6. Step 6: Final answer
    x = 356,125.04

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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.