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Finding the Fourth Proportional to 657,364.16, 985,848.60 and 341,648.48

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Solution

The fourth proportional to 657,364.16, 985,848.60 and 341,648.48 is: 512,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,364.16 : 985,848.60 = 341,648.48 : x
  2. Step 2: Convert to fraction form
    657,364.16/985,848.60 = 341,648.48/x
  3. Step 3: Cross multiply
    657,364.16x = 985,848.60 × 341,648.48
  4. Step 4: Simplify right side
    657,364.16x = 336,813,675,700.13
  5. Step 5: Solve for x
    x = 336,813,675,700.13/657,364.16
  6. Step 6: Final answer
    x = 512,370.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.