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Finding the Fourth Proportional to 1,039,393, 1,434,363.06 and 562,465

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Solution

The fourth proportional to 1,039,393, 1,434,363.06 and 562,465 is: 776,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,393 : 1,434,363.06 = 562,465 : x
  2. Step 2: Convert to fraction form
    1,039,393/1,434,363.06 = 562,465/x
  3. Step 3: Cross multiply
    1,039,393x = 1,434,363.06 × 562,465
  4. Step 4: Simplify right side
    1,039,393x = 806,779,018,542.90
  5. Step 5: Solve for x
    x = 806,779,018,542.90/1,039,393
  6. Step 6: Final answer
    x = 776,202.09

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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.