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Finding the Fourth Proportional to 434,706.48, 599,860.49 and 243,693.90

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Solution

The fourth proportional to 434,706.48, 599,860.49 and 243,693.90 is: 336,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,706.48 : 599,860.49 = 243,693.90 : x
  2. Step 2: Convert to fraction form
    434,706.48/599,860.49 = 243,693.90/x
  3. Step 3: Cross multiply
    434,706.48x = 599,860.49 × 243,693.90
  4. Step 4: Simplify right side
    434,706.48x = 146,182,341,045.54
  5. Step 5: Solve for x
    x = 146,182,341,045.54/434,706.48
  6. Step 6: Final answer
    x = 336,278.27

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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.