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Finding the Fourth Proportional to 533,808.80, 736,649.88 and 292,088.60

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Solution

The fourth proportional to 533,808.80, 736,649.88 and 292,088.60 is: 403,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,808.80 : 736,649.88 = 292,088.60 : x
  2. Step 2: Convert to fraction form
    533,808.80/736,649.88 = 292,088.60/x
  3. Step 3: Cross multiply
    533,808.80x = 736,649.88 × 292,088.60
  4. Step 4: Simplify right side
    533,808.80x = 215,167,032,139.37
  5. Step 5: Solve for x
    x = 215,167,032,139.37/533,808.80
  6. Step 6: Final answer
    x = 403,078.84

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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.