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Finding the Fourth Proportional to 472,907.53, 652,628.12 and 258,059.38

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Solution

The fourth proportional to 472,907.53, 652,628.12 and 258,059.38 is: 356,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,907.53 : 652,628.12 = 258,059.38 : x
  2. Step 2: Convert to fraction form
    472,907.53/652,628.12 = 258,059.38/x
  3. Step 3: Cross multiply
    472,907.53x = 652,628.12 × 258,059.38
  4. Step 4: Simplify right side
    472,907.53x = 168,416,808,017.77
  5. Step 5: Solve for x
    x = 168,416,808,017.77/472,907.53
  6. Step 6: Final answer
    x = 356,130.53

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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.