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Finding the Fourth Proportional to 472,426, 651,947.88 and 260,458

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Solution

The fourth proportional to 472,426, 651,947.88 and 260,458 is: 359,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,426 : 651,947.88 = 260,458 : x
  2. Step 2: Convert to fraction form
    472,426/651,947.88 = 260,458/x
  3. Step 3: Cross multiply
    472,426x = 651,947.88 × 260,458
  4. Step 4: Simplify right side
    472,426x = 169,805,040,929.04
  5. Step 5: Solve for x
    x = 169,805,040,929.04/472,426
  6. Step 6: Final answer
    x = 359,432.04

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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.