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Finding the Fourth Proportional to 434,670.95, 599,845.51 and 243,684.38

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Solution

The fourth proportional to 434,670.95, 599,845.51 and 243,684.38 is: 336,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,670.95 : 599,845.51 = 243,684.38 : x
  2. Step 2: Convert to fraction form
    434,670.95/599,845.51 = 243,684.38/x
  3. Step 3: Cross multiply
    434,670.95x = 599,845.51 × 243,684.38
  4. Step 4: Simplify right side
    434,670.95x = 146,172,983,004.35
  5. Step 5: Solve for x
    x = 146,172,983,004.35/434,670.95
  6. Step 6: Final answer
    x = 336,284.22

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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.