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Finding the Fourth Proportional to 374,756.66, 517,229.50 and 362,300.74

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Solution

The fourth proportional to 374,756.66, 517,229.50 and 362,300.74 is: 500,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,756.66 : 517,229.50 = 362,300.74 : x
  2. Step 2: Convert to fraction form
    374,756.66/517,229.50 = 362,300.74/x
  3. Step 3: Cross multiply
    374,756.66x = 517,229.50 × 362,300.74
  4. Step 4: Simplify right side
    374,756.66x = 187,392,630,599.83
  5. Step 5: Solve for x
    x = 187,392,630,599.83/374,756.66
  6. Step 6: Final answer
    x = 500,038.16

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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.