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Finding the Fourth Proportional to 437,591.25, 603,051.53 and 316,527.23

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Solution

The fourth proportional to 437,591.25, 603,051.53 and 316,527.23 is: 436,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,591.25 : 603,051.53 = 316,527.23 : x
  2. Step 2: Convert to fraction form
    437,591.25/603,051.53 = 316,527.23/x
  3. Step 3: Cross multiply
    437,591.25x = 603,051.53 × 316,527.23
  4. Step 4: Simplify right side
    437,591.25x = 190,882,225,740.27
  5. Step 5: Solve for x
    x = 190,882,225,740.27/437,591.25
  6. Step 6: Final answer
    x = 436,211.25

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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.