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Finding the Fourth Proportional to 926,869.10, 1,300,416.10 and 926,869.10

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Solution

The fourth proportional to 926,869.10, 1,300,416.10 and 926,869.10 is: 1,300,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,869.10 : 1,300,416.10 = 926,869.10 : x
  2. Step 2: Convert to fraction form
    926,869.10/1,300,416.10 = 926,869.10/x
  3. Step 3: Cross multiply
    926,869.10x = 1,300,416.10 × 926,869.10
  4. Step 4: Simplify right side
    926,869.10x = 1,205,315,500,232.51
  5. Step 5: Solve for x
    x = 1,205,315,500,232.51/926,869.10
  6. Step 6: Final answer
    x = 1,300,416.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.