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Finding the Fourth Proportional to 533,443.60, 736,221.80 and 307,098.64

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Solution

The fourth proportional to 533,443.60, 736,221.80 and 307,098.64 is: 423,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,443.60 : 736,221.80 = 307,098.64 : x
  2. Step 2: Convert to fraction form
    533,443.60/736,221.80 = 307,098.64/x
  3. Step 3: Cross multiply
    533,443.60x = 736,221.80 × 307,098.64
  4. Step 4: Simplify right side
    533,443.60x = 226,092,713,518.35
  5. Step 5: Solve for x
    x = 226,092,713,518.35/533,443.60
  6. Step 6: Final answer
    x = 423,836.21

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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.