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Finding the Fourth Proportional to 874,884, 1,207,340.16 and 472,476

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Solution

The fourth proportional to 874,884, 1,207,340.16 and 472,476 is: 652,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,884 : 1,207,340.16 = 472,476 : x
  2. Step 2: Convert to fraction form
    874,884/1,207,340.16 = 472,476/x
  3. Step 3: Cross multiply
    874,884x = 1,207,340.16 × 472,476
  4. Step 4: Simplify right side
    874,884x = 570,439,249,436.16
  5. Step 5: Solve for x
    x = 570,439,249,436.16/874,884
  6. Step 6: Final answer
    x = 652,017.01

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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.