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Finding the Fourth Proportional to 295,492.74, 407,719.53 and 174,573.42

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Solution

The fourth proportional to 295,492.74, 407,719.53 and 174,573.42 is: 240,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,492.74 : 407,719.53 = 174,573.42 : x
  2. Step 2: Convert to fraction form
    295,492.74/407,719.53 = 174,573.42/x
  3. Step 3: Cross multiply
    295,492.74x = 407,719.53 × 174,573.42
  4. Step 4: Simplify right side
    295,492.74x = 71,176,992,752.89
  5. Step 5: Solve for x
    x = 71,176,992,752.89/295,492.74
  6. Step 6: Final answer
    x = 240,875.61

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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.