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Finding the Fourth Proportional to 473,376.81, 653,256.68 and 258,516.93

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Solution

The fourth proportional to 473,376.81, 653,256.68 and 258,516.93 is: 356,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,376.81 : 653,256.68 = 258,516.93 : x
  2. Step 2: Convert to fraction form
    473,376.81/653,256.68 = 258,516.93/x
  3. Step 3: Cross multiply
    473,376.81x = 653,256.68 × 258,516.93
  4. Step 4: Simplify right side
    473,376.81x = 168,877,910,123.01
  5. Step 5: Solve for x
    x = 168,877,910,123.01/473,376.81
  6. Step 6: Final answer
    x = 356,751.55

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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.