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Finding the Fourth Proportional to 459,570.73, 633,762.32 and 306,615.16

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Solution

The fourth proportional to 459,570.73, 633,762.32 and 306,615.16 is: 422,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,570.73 : 633,762.32 = 306,615.16 : x
  2. Step 2: Convert to fraction form
    459,570.73/633,762.32 = 306,615.16/x
  3. Step 3: Cross multiply
    459,570.73x = 633,762.32 × 306,615.16
  4. Step 4: Simplify right side
    459,570.73x = 194,321,135,148.77
  5. Step 5: Solve for x
    x = 194,321,135,148.77/459,570.73
  6. Step 6: Final answer
    x = 422,831.84

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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.