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Finding the Fourth Proportional to 374,673.20, 562,009.80 and 217,209.20

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Solution

The fourth proportional to 374,673.20, 562,009.80 and 217,209.20 is: 325,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,673.20 : 562,009.80 = 217,209.20 : x
  2. Step 2: Convert to fraction form
    374,673.20/562,009.80 = 217,209.20/x
  3. Step 3: Cross multiply
    374,673.20x = 562,009.80 × 217,209.20
  4. Step 4: Simplify right side
    374,673.20x = 122,073,699,050.16
  5. Step 5: Solve for x
    x = 122,073,699,050.16/374,673.20
  6. Step 6: Final answer
    x = 325,813.80

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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.