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Finding the Fourth Proportional to 607,145.70, 909,940.95 and 466,205.70

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Solution

The fourth proportional to 607,145.70, 909,940.95 and 466,205.70 is: 698,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,145.70 : 909,940.95 = 466,205.70 : x
  2. Step 2: Convert to fraction form
    607,145.70/909,940.95 = 466,205.70/x
  3. Step 3: Cross multiply
    607,145.70x = 909,940.95 × 466,205.70
  4. Step 4: Simplify right side
    607,145.70x = 424,219,657,553.42
  5. Step 5: Solve for x
    x = 424,219,657,553.42/607,145.70
  6. Step 6: Final answer
    x = 698,711.46

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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.