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Finding the Fourth Proportional to 306,528.48, 460,055.16 and 173,539.44

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Solution

The fourth proportional to 306,528.48, 460,055.16 and 173,539.44 is: 260,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,528.48 : 460,055.16 = 173,539.44 : x
  2. Step 2: Convert to fraction form
    306,528.48/460,055.16 = 173,539.44/x
  3. Step 3: Cross multiply
    306,528.48x = 460,055.16 × 173,539.44
  4. Step 4: Simplify right side
    306,528.48x = 79,837,714,835.51
  5. Step 5: Solve for x
    x = 79,837,714,835.51/306,528.48
  6. Step 6: Final answer
    x = 260,457.74

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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.