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Finding the Fourth Proportional to 374,438.60, 560,783.10 and 366,921.80

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Solution

The fourth proportional to 374,438.60, 560,783.10 and 366,921.80 is: 549,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,438.60 : 560,783.10 = 366,921.80 : x
  2. Step 2: Convert to fraction form
    374,438.60/560,783.10 = 366,921.80/x
  3. Step 3: Cross multiply
    374,438.60x = 560,783.10 × 366,921.80
  4. Step 4: Simplify right side
    374,438.60x = 205,763,544,461.58
  5. Step 5: Solve for x
    x = 205,763,544,461.58/374,438.60
  6. Step 6: Final answer
    x = 549,525.46

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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.