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Finding the Fourth Proportional to 692,973, 956,302.74 and 375,021

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Solution

The fourth proportional to 692,973, 956,302.74 and 375,021 is: 517,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,973 : 956,302.74 = 375,021 : x
  2. Step 2: Convert to fraction form
    692,973/956,302.74 = 375,021/x
  3. Step 3: Cross multiply
    692,973x = 956,302.74 × 375,021
  4. Step 4: Simplify right side
    692,973x = 358,633,609,857.54
  5. Step 5: Solve for x
    x = 358,633,609,857.54/692,973
  6. Step 6: Final answer
    x = 517,528.98

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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.