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Finding the Fourth Proportional to 531,533.72, 733,694.28 and 316,741.16

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Solution

The fourth proportional to 531,533.72, 733,694.28 and 316,741.16 is: 437,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,533.72 : 733,694.28 = 316,741.16 : x
  2. Step 2: Convert to fraction form
    531,533.72/733,694.28 = 316,741.16/x
  3. Step 3: Cross multiply
    531,533.72x = 733,694.28 × 316,741.16
  4. Step 4: Simplify right side
    531,533.72x = 232,391,177,332.57
  5. Step 5: Solve for x
    x = 232,391,177,332.57/531,533.72
  6. Step 6: Final answer
    x = 437,208.72

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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.