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Finding the Fourth Proportional to 531,733.44, 733,774.24 and 316,762.16

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Solution

The fourth proportional to 531,733.44, 733,774.24 and 316,762.16 is: 437,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,733.44 : 733,774.24 = 316,762.16 : x
  2. Step 2: Convert to fraction form
    531,733.44/733,774.24 = 316,762.16/x
  3. Step 3: Cross multiply
    531,733.44x = 733,774.24 × 316,762.16
  4. Step 4: Simplify right side
    531,733.44x = 232,431,913,214.76
  5. Step 5: Solve for x
    x = 232,431,913,214.76/531,733.44
  6. Step 6: Final answer
    x = 437,121.11

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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.