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Finding the Fourth Proportional to 316,019.66, 473,808.16 and 116,314.16

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Solution

The fourth proportional to 316,019.66, 473,808.16 and 116,314.16 is: 174,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,019.66 : 473,808.16 = 116,314.16 : x
  2. Step 2: Convert to fraction form
    316,019.66/473,808.16 = 116,314.16/x
  3. Step 3: Cross multiply
    316,019.66x = 473,808.16 × 116,314.16
  4. Step 4: Simplify right side
    316,019.66x = 55,110,598,131.55
  5. Step 5: Solve for x
    x = 55,110,598,131.55/316,019.66
  6. Step 6: Final answer
    x = 174,389.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.