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Finding the Fourth Proportional to 374,673.70, 562,010.55 and 260,512.30

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Solution

The fourth proportional to 374,673.70, 562,010.55 and 260,512.30 is: 390,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,673.70 : 562,010.55 = 260,512.30 : x
  2. Step 2: Convert to fraction form
    374,673.70/562,010.55 = 260,512.30/x
  3. Step 3: Cross multiply
    374,673.70x = 562,010.55 × 260,512.30
  4. Step 4: Simplify right side
    374,673.70x = 146,410,661,004.77
  5. Step 5: Solve for x
    x = 146,410,661,004.77/374,673.70
  6. Step 6: Final answer
    x = 390,768.45

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Similar ratio
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1.5x scale

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.