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Finding the Fourth Proportional to 347,355.51, 521,033.25 and 98,037.51

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Solution

The fourth proportional to 347,355.51, 521,033.25 and 98,037.51 is: 147,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,355.51 : 521,033.25 = 98,037.51 : x
  2. Step 2: Convert to fraction form
    347,355.51/521,033.25 = 98,037.51/x
  3. Step 3: Cross multiply
    347,355.51x = 521,033.25 × 98,037.51
  4. Step 4: Simplify right side
    347,355.51x = 51,080,802,457.21
  5. Step 5: Solve for x
    x = 51,080,802,457.21/347,355.51
  6. Step 6: Final answer
    x = 147,056.26

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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.