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Finding the Fourth Proportional to 495,322.50, 683,553.56 and 268,968

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Solution

The fourth proportional to 495,322.50, 683,553.56 and 268,968 is: 371,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,322.50 : 683,553.56 = 268,968 : x
  2. Step 2: Convert to fraction form
    495,322.50/683,553.56 = 268,968/x
  3. Step 3: Cross multiply
    495,322.50x = 683,553.56 × 268,968
  4. Step 4: Simplify right side
    495,322.50x = 183,854,032,581.24
  5. Step 5: Solve for x
    x = 183,854,032,581.24/495,322.50
  6. Step 6: Final answer
    x = 371,180.46

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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.