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Finding the Fourth Proportional to 354,152.40, 531,574.20 and 176,859.60

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Solution

The fourth proportional to 354,152.40, 531,574.20 and 176,859.60 is: 265,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,152.40 : 531,574.20 = 176,859.60 : x
  2. Step 2: Convert to fraction form
    354,152.40/531,574.20 = 176,859.60/x
  3. Step 3: Cross multiply
    354,152.40x = 531,574.20 × 176,859.60
  4. Step 4: Simplify right side
    354,152.40x = 94,014,000,382.32
  5. Step 5: Solve for x
    x = 94,014,000,382.32/354,152.40
  6. Step 6: Final answer
    x = 265,461.99

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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.