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Finding the Fourth Proportional to 692,415, 955,535.58 and 374,463

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Solution

The fourth proportional to 692,415, 955,535.58 and 374,463 is: 516,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,415 : 955,535.58 = 374,463 : x
  2. Step 2: Convert to fraction form
    692,415/955,535.58 = 374,463/x
  3. Step 3: Cross multiply
    692,415x = 955,535.58 × 374,463
  4. Step 4: Simplify right side
    692,415x = 357,812,719,893.54
  5. Step 5: Solve for x
    x = 357,812,719,893.54/692,415
  6. Step 6: Final answer
    x = 516,760.50

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1.5x scale

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.