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Finding the Fourth Proportional to 607,136.20, 909,926.70 and 466,196.20

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Solution

The fourth proportional to 607,136.20, 909,926.70 and 466,196.20 is: 698,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,136.20 : 909,926.70 = 466,196.20 : x
  2. Step 2: Convert to fraction form
    607,136.20/909,926.70 = 466,196.20/x
  3. Step 3: Cross multiply
    607,136.20x = 909,926.70 × 466,196.20
  4. Step 4: Simplify right side
    607,136.20x = 424,204,369,818.54
  5. Step 5: Solve for x
    x = 424,204,369,818.54/607,136.20
  6. Step 6: Final answer
    x = 698,697.21

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Double scale
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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.