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Finding the Fourth Proportional to 1,083,271.68, 1,495,080 and 675,440

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Solution

The fourth proportional to 1,083,271.68, 1,495,080 and 675,440 is: 932,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,271.68 : 1,495,080 = 675,440 : x
  2. Step 2: Convert to fraction form
    1,083,271.68/1,495,080 = 675,440/x
  3. Step 3: Cross multiply
    1,083,271.68x = 1,495,080 × 675,440
  4. Step 4: Simplify right side
    1,083,271.68x = 1,009,836,835,200
  5. Step 5: Solve for x
    x = 1,009,836,835,200/1,083,271.68
  6. Step 6: Final answer
    x = 932,210.13

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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.