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Finding the Fourth Proportional to 533,827.70, 736,649.80 and 304,352.90

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Solution

The fourth proportional to 533,827.70, 736,649.80 and 304,352.90 is: 419,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,827.70 : 736,649.80 = 304,352.90 : x
  2. Step 2: Convert to fraction form
    533,827.70/736,649.80 = 304,352.90/x
  3. Step 3: Cross multiply
    533,827.70x = 736,649.80 × 304,352.90
  4. Step 4: Simplify right side
    533,827.70x = 224,201,502,914.42
  5. Step 5: Solve for x
    x = 224,201,502,914.42/533,827.70
  6. Step 6: Final answer
    x = 419,988.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.