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Finding the Fourth Proportional to 424,783.54, 586,134.12 and 243,460.54

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Solution

The fourth proportional to 424,783.54, 586,134.12 and 243,460.54 is: 335,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,783.54 : 586,134.12 = 243,460.54 : x
  2. Step 2: Convert to fraction form
    424,783.54/586,134.12 = 243,460.54/x
  3. Step 3: Cross multiply
    424,783.54x = 586,134.12 × 243,460.54
  4. Step 4: Simplify right side
    424,783.54x = 142,700,529,367.63
  5. Step 5: Solve for x
    x = 142,700,529,367.63/424,783.54
  6. Step 6: Final answer
    x = 335,937.05

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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.