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Finding the Fourth Proportional to 537,157.60, 805,736.40 and 403,313.20

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Solution

The fourth proportional to 537,157.60, 805,736.40 and 403,313.20 is: 604,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,157.60 : 805,736.40 = 403,313.20 : x
  2. Step 2: Convert to fraction form
    537,157.60/805,736.40 = 403,313.20/x
  3. Step 3: Cross multiply
    537,157.60x = 805,736.40 × 403,313.20
  4. Step 4: Simplify right side
    537,157.60x = 324,964,125,840.48
  5. Step 5: Solve for x
    x = 324,964,125,840.48/537,157.60
  6. Step 6: Final answer
    x = 604,969.80

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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.