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Finding the Fourth Proportional to 476,250.21, 713,415.63 and 316,416.15

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Solution

The fourth proportional to 476,250.21, 713,415.63 and 316,416.15 is: 473,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,250.21 : 713,415.63 = 316,416.15 : x
  2. Step 2: Convert to fraction form
    476,250.21/713,415.63 = 316,416.15/x
  3. Step 3: Cross multiply
    476,250.21x = 713,415.63 × 316,416.15
  4. Step 4: Simplify right side
    476,250.21x = 225,736,226,994.43
  5. Step 5: Solve for x
    x = 225,736,226,994.43/476,250.21
  6. Step 6: Final answer
    x = 473,986.62

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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.