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Finding the Fourth Proportional to 452,866.22, 624,296.72 and 316,476.72

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Solution

The fourth proportional to 452,866.22, 624,296.72 and 316,476.72 is: 436,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,866.22 : 624,296.72 = 316,476.72 : x
  2. Step 2: Convert to fraction form
    452,866.22/624,296.72 = 316,476.72/x
  3. Step 3: Cross multiply
    452,866.22x = 624,296.72 × 316,476.72
  4. Step 4: Simplify right side
    452,866.22x = 197,575,378,252.36
  5. Step 5: Solve for x
    x = 197,575,378,252.36/452,866.22
  6. Step 6: Final answer
    x = 436,277.58

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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.