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Finding the Fourth Proportional to 531,543.72, 733,708.08 and 316,751.16

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Solution

The fourth proportional to 531,543.72, 733,708.08 and 316,751.16 is: 437,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,543.72 : 733,708.08 = 316,751.16 : x
  2. Step 2: Convert to fraction form
    531,543.72/733,708.08 = 316,751.16/x
  3. Step 3: Cross multiply
    531,543.72x = 733,708.08 × 316,751.16
  4. Step 4: Simplify right side
    531,543.72x = 232,402,885,441.37
  5. Step 5: Solve for x
    x = 232,402,885,441.37/531,543.72
  6. Step 6: Final answer
    x = 437,222.52

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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.