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Finding the Fourth Proportional to 533,433.60, 736,208 and 307,088.64

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Solution

The fourth proportional to 533,433.60, 736,208 and 307,088.64 is: 423,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,433.60 : 736,208 = 307,088.64 : x
  2. Step 2: Convert to fraction form
    533,433.60/736,208 = 307,088.64/x
  3. Step 3: Cross multiply
    533,433.60x = 736,208 × 307,088.64
  4. Step 4: Simplify right side
    533,433.60x = 226,081,113,477.12
  5. Step 5: Solve for x
    x = 226,081,113,477.12/533,433.60
  6. Step 6: Final answer
    x = 423,822.41

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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.