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Finding the Fourth Proportional to 452,203.20, 624,052.80 and 291,369.60

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Solution

The fourth proportional to 452,203.20, 624,052.80 and 291,369.60 is: 402,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,203.20 : 624,052.80 = 291,369.60 : x
  2. Step 2: Convert to fraction form
    452,203.20/624,052.80 = 291,369.60/x
  3. Step 3: Cross multiply
    452,203.20x = 624,052.80 × 291,369.60
  4. Step 4: Simplify right side
    452,203.20x = 181,830,014,714.88
  5. Step 5: Solve for x
    x = 181,830,014,714.88/452,203.20
  6. Step 6: Final answer
    x = 402,098.03

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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.