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Finding the Fourth Proportional to 692,079.18, 954,472.59 and 450,273.42

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Solution

The fourth proportional to 692,079.18, 954,472.59 and 450,273.42 is: 620,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,079.18 : 954,472.59 = 450,273.42 : x
  2. Step 2: Convert to fraction form
    692,079.18/954,472.59 = 450,273.42/x
  3. Step 3: Cross multiply
    692,079.18x = 954,472.59 × 450,273.42
  4. Step 4: Simplify right side
    692,079.18x = 429,773,637,395.56
  5. Step 5: Solve for x
    x = 429,773,637,395.56/692,079.18
  6. Step 6: Final answer
    x = 620,989.11

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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.