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Finding the Fourth Proportional to 507,408.09, 700,223.45 and 277,973.68

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Solution

The fourth proportional to 507,408.09, 700,223.45 and 277,973.68 is: 383,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,408.09 : 700,223.45 = 277,973.68 : x
  2. Step 2: Convert to fraction form
    507,408.09/700,223.45 = 277,973.68/x
  3. Step 3: Cross multiply
    507,408.09x = 700,223.45 × 277,973.68
  4. Step 4: Simplify right side
    507,408.09x = 194,643,689,218.80
  5. Step 5: Solve for x
    x = 194,643,689,218.80/507,408.09
  6. Step 6: Final answer
    x = 383,603.83

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1.5x scale

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.