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Finding the Fourth Proportional to 475,673.36, 656,435.61 and 260,812.89

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Solution

The fourth proportional to 475,673.36, 656,435.61 and 260,812.89 is: 359,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,673.36 : 656,435.61 = 260,812.89 : x
  2. Step 2: Convert to fraction form
    475,673.36/656,435.61 = 260,812.89/x
  3. Step 3: Cross multiply
    475,673.36x = 656,435.61 × 260,812.89
  4. Step 4: Simplify right side
    475,673.36x = 171,206,868,543.01
  5. Step 5: Solve for x
    x = 171,206,868,543.01/475,673.36
  6. Step 6: Final answer
    x = 359,925.29

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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.