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Finding the Fourth Proportional to 1,050,438, 1,575,658.92 and 262,470

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Solution

The fourth proportional to 1,050,438, 1,575,658.92 and 262,470 is: 393,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,438 : 1,575,658.92 = 262,470 : x
  2. Step 2: Convert to fraction form
    1,050,438/1,575,658.92 = 262,470/x
  3. Step 3: Cross multiply
    1,050,438x = 1,575,658.92 × 262,470
  4. Step 4: Simplify right side
    1,050,438x = 413,563,196,732.40
  5. Step 5: Solve for x
    x = 413,563,196,732.40/1,050,438
  6. Step 6: Final answer
    x = 393,705.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.