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Finding the Fourth Proportional to 475,386.05, 713,036.13 and 175,869.11

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Solution

The fourth proportional to 475,386.05, 713,036.13 and 175,869.11 is: 263,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,386.05 : 713,036.13 = 175,869.11 : x
  2. Step 2: Convert to fraction form
    475,386.05/713,036.13 = 175,869.11/x
  3. Step 3: Cross multiply
    475,386.05x = 713,036.13 × 175,869.11
  4. Step 4: Simplify right side
    475,386.05x = 125,401,026,015.76
  5. Step 5: Solve for x
    x = 125,401,026,015.76/475,386.05
  6. Step 6: Final answer
    x = 263,787.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.