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Finding the Fourth Proportional to 360,007.44, 492,492.80 and 358,491.12

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Solution

The fourth proportional to 360,007.44, 492,492.80 and 358,491.12 is: 490,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,007.44 : 492,492.80 = 358,491.12 : x
  2. Step 2: Convert to fraction form
    360,007.44/492,492.80 = 358,491.12/x
  3. Step 3: Cross multiply
    360,007.44x = 492,492.80 × 358,491.12
  4. Step 4: Simplify right side
    360,007.44x = 176,554,295,463.94
  5. Step 5: Solve for x
    x = 176,554,295,463.94/360,007.44
  6. Step 6: Final answer
    x = 490,418.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.