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Finding the Fourth Proportional to 876,894.16, 1,210,316.16 and 514,434.46

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Solution

The fourth proportional to 876,894.16, 1,210,316.16 and 514,434.46 is: 710,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,894.16 : 1,210,316.16 = 514,434.46 : x
  2. Step 2: Convert to fraction form
    876,894.16/1,210,316.16 = 514,434.46/x
  3. Step 3: Cross multiply
    876,894.16x = 1,210,316.16 × 514,434.46
  4. Step 4: Simplify right side
    876,894.16x = 622,628,340,198.87
  5. Step 5: Solve for x
    x = 622,628,340,198.87/876,894.16
  6. Step 6: Final answer
    x = 710,038.19

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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.