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Finding the Fourth Proportional to 607,172.76, 910,802.88 and 233,195.76

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Solution

The fourth proportional to 607,172.76, 910,802.88 and 233,195.76 is: 349,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,172.76 : 910,802.88 = 233,195.76 : x
  2. Step 2: Convert to fraction form
    607,172.76/910,802.88 = 233,195.76/x
  3. Step 3: Cross multiply
    607,172.76x = 910,802.88 × 233,195.76
  4. Step 4: Simplify right side
    607,172.76x = 212,395,369,811.79
  5. Step 5: Solve for x
    x = 212,395,369,811.79/607,172.76
  6. Step 6: Final answer
    x = 349,810.44

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Double scale
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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.