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Finding the Fourth Proportional to 313,374.54, 432,483.63 and 177,432.45

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Solution

The fourth proportional to 313,374.54, 432,483.63 and 177,432.45 is: 244,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,374.54 : 432,483.63 = 177,432.45 : x
  2. Step 2: Convert to fraction form
    313,374.54/432,483.63 = 177,432.45/x
  3. Step 3: Cross multiply
    313,374.54x = 432,483.63 × 177,432.45
  4. Step 4: Simplify right side
    313,374.54x = 76,736,630,055.79
  5. Step 5: Solve for x
    x = 76,736,630,055.79/313,374.54
  6. Step 6: Final answer
    x = 244,871.94

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1.5x scale

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.