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Finding the Fourth Proportional to 473,407.76, 653,303.45 and 269,458.70

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Solution

The fourth proportional to 473,407.76, 653,303.45 and 269,458.70 is: 371,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,407.76 : 653,303.45 = 269,458.70 : x
  2. Step 2: Convert to fraction form
    473,407.76/653,303.45 = 269,458.70/x
  3. Step 3: Cross multiply
    473,407.76x = 653,303.45 × 269,458.70
  4. Step 4: Simplify right side
    473,407.76x = 176,038,295,749.65
  5. Step 5: Solve for x
    x = 176,038,295,749.65/473,407.76
  6. Step 6: Final answer
    x = 371,853.42

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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.