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Finding the Fourth Proportional to 610,394.40, 915,231.96 and 250,457.94

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Solution

The fourth proportional to 610,394.40, 915,231.96 and 250,457.94 is: 375,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,394.40 : 915,231.96 = 250,457.94 : x
  2. Step 2: Convert to fraction form
    610,394.40/915,231.96 = 250,457.94/x
  3. Step 3: Cross multiply
    610,394.40x = 915,231.96 × 250,457.94
  4. Step 4: Simplify right side
    610,394.40x = 229,227,111,323.76
  5. Step 5: Solve for x
    x = 229,227,111,323.76/610,394.40
  6. Step 6: Final answer
    x = 375,539.34

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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.