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Finding the Fourth Proportional to 532,101, 734,314.88 and 290,399.03

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Solution

The fourth proportional to 532,101, 734,314.88 and 290,399.03 is: 400,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,101 : 734,314.88 = 290,399.03 : x
  2. Step 2: Convert to fraction form
    532,101/734,314.88 = 290,399.03/x
  3. Step 3: Cross multiply
    532,101x = 734,314.88 × 290,399.03
  4. Step 4: Simplify right side
    532,101x = 213,244,323,743.00
  5. Step 5: Solve for x
    x = 213,244,323,743.00/532,101
  6. Step 6: Final answer
    x = 400,759.11

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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.