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Finding the Fourth Proportional to 788,169, 1,087,673.22 and 430,473

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Solution

The fourth proportional to 788,169, 1,087,673.22 and 430,473 is: 594,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,169 : 1,087,673.22 = 430,473 : x
  2. Step 2: Convert to fraction form
    788,169/1,087,673.22 = 430,473/x
  3. Step 3: Cross multiply
    788,169x = 1,087,673.22 × 430,473
  4. Step 4: Simplify right side
    788,169x = 468,213,954,033.06
  5. Step 5: Solve for x
    x = 468,213,954,033.06/788,169
  6. Step 6: Final answer
    x = 594,052.74

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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.