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Finding the Fourth Proportional to 504,701.40, 696,312.06 and 323,513.24

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Solution

The fourth proportional to 504,701.40, 696,312.06 and 323,513.24 is: 446,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,701.40 : 696,312.06 = 323,513.24 : x
  2. Step 2: Convert to fraction form
    504,701.40/696,312.06 = 323,513.24/x
  3. Step 3: Cross multiply
    504,701.40x = 696,312.06 × 323,513.24
  4. Step 4: Simplify right side
    504,701.40x = 225,266,165,886.94
  5. Step 5: Solve for x
    x = 225,266,165,886.94/504,701.40
  6. Step 6: Final answer
    x = 446,335.53

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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.