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Finding the Fourth Proportional to 472,603.10, 652,200.63 and 257,751.02

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Solution

The fourth proportional to 472,603.10, 652,200.63 and 257,751.02 is: 355,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,603.10 : 652,200.63 = 257,751.02 : x
  2. Step 2: Convert to fraction form
    472,603.10/652,200.63 = 257,751.02/x
  3. Step 3: Cross multiply
    472,603.10x = 652,200.63 × 257,751.02
  4. Step 4: Simplify right side
    472,603.10x = 168,105,377,627.14
  5. Step 5: Solve for x
    x = 168,105,377,627.14/472,603.10
  6. Step 6: Final answer
    x = 355,700.96

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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.