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Finding the Fourth Proportional to 532,374, 798,167.34 and 321,965.16

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Solution

The fourth proportional to 532,374, 798,167.34 and 321,965.16 is: 482,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,374 : 798,167.34 = 321,965.16 : x
  2. Step 2: Convert to fraction form
    532,374/798,167.34 = 321,965.16/x
  3. Step 3: Cross multiply
    532,374x = 798,167.34 × 321,965.16
  4. Step 4: Simplify right side
    532,374x = 256,982,075,329.87
  5. Step 5: Solve for x
    x = 256,982,075,329.87/532,374
  6. Step 6: Final answer
    x = 482,709.67

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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.