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Finding the Fourth Proportional to 374,663.40, 561,995.10 and 248,692.20

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Solution

The fourth proportional to 374,663.40, 561,995.10 and 248,692.20 is: 373,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,663.40 : 561,995.10 = 248,692.20 : x
  2. Step 2: Convert to fraction form
    374,663.40/561,995.10 = 248,692.20/x
  3. Step 3: Cross multiply
    374,663.40x = 561,995.10 × 248,692.20
  4. Step 4: Simplify right side
    374,663.40x = 139,763,797,808.22
  5. Step 5: Solve for x
    x = 139,763,797,808.22/374,663.40
  6. Step 6: Final answer
    x = 373,038.30

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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.