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Finding the Fourth Proportional to 306,716.70, 460,075.05 and 173,856.45

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Solution

The fourth proportional to 306,716.70, 460,075.05 and 173,856.45 is: 260,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,716.70 : 460,075.05 = 173,856.45 : x
  2. Step 2: Convert to fraction form
    306,716.70/460,075.05 = 173,856.45/x
  3. Step 3: Cross multiply
    306,716.70x = 460,075.05 × 173,856.45
  4. Step 4: Simplify right side
    306,716.70x = 79,987,014,926.57
  5. Step 5: Solve for x
    x = 79,987,014,926.57/306,716.70
  6. Step 6: Final answer
    x = 260,784.68

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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.