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Finding the Fourth Proportional to 352,450.16, 486,384.72 and 191,306.60

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Solution

The fourth proportional to 352,450.16, 486,384.72 and 191,306.60 is: 264,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,450.16 : 486,384.72 = 191,306.60 : x
  2. Step 2: Convert to fraction form
    352,450.16/486,384.72 = 191,306.60/x
  3. Step 3: Cross multiply
    352,450.16x = 486,384.72 × 191,306.60
  4. Step 4: Simplify right side
    352,450.16x = 93,048,607,075.15
  5. Step 5: Solve for x
    x = 93,048,607,075.15/352,450.16
  6. Step 6: Final answer
    x = 264,005.01

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1.5x scale

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.