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Finding the Fourth Proportional to 556,971.87, 834,835.73 and 512,133.51

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Solution

The fourth proportional to 556,971.87, 834,835.73 and 512,133.51 is: 767,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,971.87 : 834,835.73 = 512,133.51 : x
  2. Step 2: Convert to fraction form
    556,971.87/834,835.73 = 512,133.51/x
  3. Step 3: Cross multiply
    556,971.87x = 834,835.73 × 512,133.51
  4. Step 4: Simplify right side
    556,971.87x = 427,547,350,117.65
  5. Step 5: Solve for x
    x = 427,547,350,117.65/556,971.87
  6. Step 6: Final answer
    x = 767,628.26

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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.