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Finding the Fourth Proportional to 353,598.76, 530,026.14 and 173,435.08

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Solution

The fourth proportional to 353,598.76, 530,026.14 and 173,435.08 is: 259,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,598.76 : 530,026.14 = 173,435.08 : x
  2. Step 2: Convert to fraction form
    353,598.76/530,026.14 = 173,435.08/x
  3. Step 3: Cross multiply
    353,598.76x = 530,026.14 × 173,435.08
  4. Step 4: Simplify right side
    353,598.76x = 91,925,125,992.99
  5. Step 5: Solve for x
    x = 91,925,125,992.99/353,598.76
  6. Step 6: Final answer
    x = 259,970.16

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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.