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Finding the Fourth Proportional to 607,010.40, 910,515.60 and 575,906.40

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Solution

The fourth proportional to 607,010.40, 910,515.60 and 575,906.40 is: 863,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,010.40 : 910,515.60 = 575,906.40 : x
  2. Step 2: Convert to fraction form
    607,010.40/910,515.60 = 575,906.40/x
  3. Step 3: Cross multiply
    607,010.40x = 910,515.60 × 575,906.40
  4. Step 4: Simplify right side
    607,010.40x = 524,371,761,339.84
  5. Step 5: Solve for x
    x = 524,371,761,339.84/607,010.40
  6. Step 6: Final answer
    x = 863,859.60

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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.