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Finding the Fourth Proportional to 480,102.40, 719,692.80 and 373,427.20

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Solution

The fourth proportional to 480,102.40, 719,692.80 and 373,427.20 is: 559,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,102.40 : 719,692.80 = 373,427.20 : x
  2. Step 2: Convert to fraction form
    480,102.40/719,692.80 = 373,427.20/x
  3. Step 3: Cross multiply
    480,102.40x = 719,692.80 × 373,427.20
  4. Step 4: Simplify right side
    480,102.40x = 268,752,867,164.16
  5. Step 5: Solve for x
    x = 268,752,867,164.16/480,102.40
  6. Step 6: Final answer
    x = 559,782.39

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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.