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Finding the Fourth Proportional to 454,526.61, 627,303.50 and 260,994.88

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Solution

The fourth proportional to 454,526.61, 627,303.50 and 260,994.88 is: 360,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,526.61 : 627,303.50 = 260,994.88 : x
  2. Step 2: Convert to fraction form
    454,526.61/627,303.50 = 260,994.88/x
  3. Step 3: Cross multiply
    454,526.61x = 627,303.50 × 260,994.88
  4. Step 4: Simplify right side
    454,526.61x = 163,723,003,632.06
  5. Step 5: Solve for x
    x = 163,723,003,632.06/454,526.61
  6. Step 6: Final answer
    x = 360,205.54

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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.