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Finding the Fourth Proportional to 607,333.20, 910,999.80 and 465,615.60

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Solution

The fourth proportional to 607,333.20, 910,999.80 and 465,615.60 is: 698,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,333.20 : 910,999.80 = 465,615.60 : x
  2. Step 2: Convert to fraction form
    607,333.20/910,999.80 = 465,615.60/x
  3. Step 3: Cross multiply
    607,333.20x = 910,999.80 × 465,615.60
  4. Step 4: Simplify right side
    607,333.20x = 424,175,718,476.88
  5. Step 5: Solve for x
    x = 424,175,718,476.88/607,333.20
  6. Step 6: Final answer
    x = 698,423.40

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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.