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Finding the Fourth Proportional to 317,312.40, 475,968.60 and 302,550.15

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Solution

The fourth proportional to 317,312.40, 475,968.60 and 302,550.15 is: 453,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,312.40 : 475,968.60 = 302,550.15 : x
  2. Step 2: Convert to fraction form
    317,312.40/475,968.60 = 302,550.15/x
  3. Step 3: Cross multiply
    317,312.40x = 475,968.60 × 302,550.15
  4. Step 4: Simplify right side
    317,312.40x = 144,004,371,325.29
  5. Step 5: Solve for x
    x = 144,004,371,325.29/317,312.40
  6. Step 6: Final answer
    x = 453,825.23

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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.