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Finding the Fourth Proportional to 907,599.16, 1,361,491.86 and 347,105.08

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Solution

The fourth proportional to 907,599.16, 1,361,491.86 and 347,105.08 is: 520,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,599.16 : 1,361,491.86 = 347,105.08 : x
  2. Step 2: Convert to fraction form
    907,599.16/1,361,491.86 = 347,105.08/x
  3. Step 3: Cross multiply
    907,599.16x = 1,361,491.86 × 347,105.08
  4. Step 4: Simplify right side
    907,599.16x = 472,580,740,984.65
  5. Step 5: Solve for x
    x = 472,580,740,984.65/907,599.16
  6. Step 6: Final answer
    x = 520,693.23

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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.