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Finding the Fourth Proportional to 434,265.76, 599,284.74 and 243,280.72

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Solution

The fourth proportional to 434,265.76, 599,284.74 and 243,280.72 is: 335,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,265.76 : 599,284.74 = 243,280.72 : x
  2. Step 2: Convert to fraction form
    434,265.76/599,284.74 = 243,280.72/x
  3. Step 3: Cross multiply
    434,265.76x = 599,284.74 × 243,280.72
  4. Step 4: Simplify right side
    434,265.76x = 145,794,423,032.21
  5. Step 5: Solve for x
    x = 145,794,423,032.21/434,265.76
  6. Step 6: Final answer
    x = 335,726.27

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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.