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Finding the Fourth Proportional to 374,574, 561,861.54 and 152,958

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Solution

The fourth proportional to 374,574, 561,861.54 and 152,958 is: 229,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,574 : 561,861.54 = 152,958 : x
  2. Step 2: Convert to fraction form
    374,574/561,861.54 = 152,958/x
  3. Step 3: Cross multiply
    374,574x = 561,861.54 × 152,958
  4. Step 4: Simplify right side
    374,574x = 85,941,217,435.32
  5. Step 5: Solve for x
    x = 85,941,217,435.32/374,574
  6. Step 6: Final answer
    x = 229,437.22

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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.