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Finding the Fourth Proportional to 446,457.18, 616,116.51 and 242,511.51

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Solution

The fourth proportional to 446,457.18, 616,116.51 and 242,511.51 is: 334,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,457.18 : 616,116.51 = 242,511.51 : x
  2. Step 2: Convert to fraction form
    446,457.18/616,116.51 = 242,511.51/x
  3. Step 3: Cross multiply
    446,457.18x = 616,116.51 × 242,511.51
  4. Step 4: Simplify right side
    446,457.18x = 149,415,345,176.03
  5. Step 5: Solve for x
    x = 149,415,345,176.03/446,457.18
  6. Step 6: Final answer
    x = 334,668.93

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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.