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Finding the Fourth Proportional to 368,126.94, 507,893.02 and 300,026.87

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Solution

The fourth proportional to 368,126.94, 507,893.02 and 300,026.87 is: 413,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,126.94 : 507,893.02 = 300,026.87 : x
  2. Step 2: Convert to fraction form
    368,126.94/507,893.02 = 300,026.87/x
  3. Step 3: Cross multiply
    368,126.94x = 507,893.02 × 300,026.87
  4. Step 4: Simplify right side
    368,126.94x = 152,381,553,085.45
  5. Step 5: Solve for x
    x = 152,381,553,085.45/368,126.94
  6. Step 6: Final answer
    x = 413,937.52

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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.