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Finding the Fourth Proportional to 450,007.60, 674,233.80 and 370,692.40

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Solution

The fourth proportional to 450,007.60, 674,233.80 and 370,692.40 is: 555,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,007.60 : 674,233.80 = 370,692.40 : x
  2. Step 2: Convert to fraction form
    450,007.60/674,233.80 = 370,692.40/x
  3. Step 3: Cross multiply
    450,007.60x = 674,233.80 × 370,692.40
  4. Step 4: Simplify right side
    450,007.60x = 249,933,345,483.12
  5. Step 5: Solve for x
    x = 249,933,345,483.12/450,007.60
  6. Step 6: Final answer
    x = 555,398.05

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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.