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Finding the Fourth Proportional to 356,503.10, 534,394.60 and 223,476.60

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Solution

The fourth proportional to 356,503.10, 534,394.60 and 223,476.60 is: 334,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,503.10 : 534,394.60 = 223,476.60 : x
  2. Step 2: Convert to fraction form
    356,503.10/534,394.60 = 223,476.60/x
  3. Step 3: Cross multiply
    356,503.10x = 534,394.60 × 223,476.60
  4. Step 4: Simplify right side
    356,503.10x = 119,424,684,477.00
  5. Step 5: Solve for x
    x = 119,424,684,477.00/356,503.10
  6. Step 6: Final answer
    x = 334,989.19

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1.5x scale

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.