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Finding the Fourth Proportional to 650,045.20, 973,755.60 and 369,234.40

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Solution

The fourth proportional to 650,045.20, 973,755.60 and 369,234.40 is: 553,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,045.20 : 973,755.60 = 369,234.40 : x
  2. Step 2: Convert to fraction form
    650,045.20/973,755.60 = 369,234.40/x
  3. Step 3: Cross multiply
    650,045.20x = 973,755.60 × 369,234.40
  4. Step 4: Simplify right side
    650,045.20x = 359,544,064,712.64
  5. Step 5: Solve for x
    x = 359,544,064,712.64/650,045.20
  6. Step 6: Final answer
    x = 553,106.25

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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.