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Finding the Fourth Proportional to 610,260.50, 915,390.76 and 236,283.50

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Solution

The fourth proportional to 610,260.50, 915,390.76 and 236,283.50 is: 354,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,260.50 : 915,390.76 = 236,283.50 : x
  2. Step 2: Convert to fraction form
    610,260.50/915,390.76 = 236,283.50/x
  3. Step 3: Cross multiply
    610,260.50x = 915,390.76 × 236,283.50
  4. Step 4: Simplify right side
    610,260.50x = 216,291,732,640.46
  5. Step 5: Solve for x
    x = 216,291,732,640.46/610,260.50
  6. Step 6: Final answer
    x = 354,425.25

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Similar ratio
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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.