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Finding the Fourth Proportional to 434,663.64, 599,835.42 and 243,677.07

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Solution

The fourth proportional to 434,663.64, 599,835.42 and 243,677.07 is: 336,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,663.64 : 599,835.42 = 243,677.07 : x
  2. Step 2: Convert to fraction form
    434,663.64/599,835.42 = 243,677.07/x
  3. Step 3: Cross multiply
    434,663.64x = 599,835.42 × 243,677.07
  4. Step 4: Simplify right side
    434,663.64x = 146,166,137,627.82
  5. Step 5: Solve for x
    x = 146,166,137,627.82/434,663.64
  6. Step 6: Final answer
    x = 336,274.13

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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.