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Finding the Fourth Proportional to 434,667.69, 599,870.21 and 243,693.45

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Solution

The fourth proportional to 434,667.69, 599,870.21 and 243,693.45 is: 336,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,667.69 : 599,870.21 = 243,693.45 : x
  2. Step 2: Convert to fraction form
    434,667.69/599,870.21 = 243,693.45/x
  3. Step 3: Cross multiply
    434,667.69x = 599,870.21 × 243,693.45
  4. Step 4: Simplify right side
    434,667.69x = 146,184,439,808.66
  5. Step 5: Solve for x
    x = 146,184,439,808.66/434,667.69
  6. Step 6: Final answer
    x = 336,313.10

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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.