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Finding the Fourth Proportional to 282,493.60, 423,394.80 and 124,554.40

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Solution

The fourth proportional to 282,493.60, 423,394.80 and 124,554.40 is: 186,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,493.60 : 423,394.80 = 124,554.40 : x
  2. Step 2: Convert to fraction form
    282,493.60/423,394.80 = 124,554.40/x
  3. Step 3: Cross multiply
    282,493.60x = 423,394.80 × 124,554.40
  4. Step 4: Simplify right side
    282,493.60x = 52,735,685,277.12
  5. Step 5: Solve for x
    x = 52,735,685,277.12/282,493.60
  6. Step 6: Final answer
    x = 186,679.22

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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.