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Finding the Fourth Proportional to 1,472,509, 2,207,579.28 and 832,417.84

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Solution

The fourth proportional to 1,472,509, 2,207,579.28 and 832,417.84 is: 1,247,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,509 : 2,207,579.28 = 832,417.84 : x
  2. Step 2: Convert to fraction form
    1,472,509/2,207,579.28 = 832,417.84/x
  3. Step 3: Cross multiply
    1,472,509x = 2,207,579.28 × 832,417.84
  4. Step 4: Simplify right side
    1,472,509x = 1,837,628,375,886.36
  5. Step 5: Solve for x
    x = 1,837,628,375,886.36/1,472,509
  6. Step 6: Final answer
    x = 1,247,957.31

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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.