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Finding the Fourth Proportional to 523,330.40, 785,107.20 and 298,798.40

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Solution

The fourth proportional to 523,330.40, 785,107.20 and 298,798.40 is: 448,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,330.40 : 785,107.20 = 298,798.40 : x
  2. Step 2: Convert to fraction form
    523,330.40/785,107.20 = 298,798.40/x
  3. Step 3: Cross multiply
    523,330.40x = 785,107.20 × 298,798.40
  4. Step 4: Simplify right side
    523,330.40x = 234,588,775,188.48
  5. Step 5: Solve for x
    x = 234,588,775,188.48/523,330.40
  6. Step 6: Final answer
    x = 448,261.32

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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.