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Finding the Fourth Proportional to 472,899.60, 652,627.86 and 258,043.32

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Solution

The fourth proportional to 472,899.60, 652,627.86 and 258,043.32 is: 356,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,899.60 : 652,627.86 = 258,043.32 : x
  2. Step 2: Convert to fraction form
    472,899.60/652,627.86 = 258,043.32/x
  3. Step 3: Cross multiply
    472,899.60x = 652,627.86 × 258,043.32
  4. Step 4: Simplify right side
    472,899.60x = 168,406,259,718.90
  5. Step 5: Solve for x
    x = 168,406,259,718.90/472,899.60
  6. Step 6: Final answer
    x = 356,114.19

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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.