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Finding the Fourth Proportional to 692,899, 956,203.50 and 374,947

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Solution

The fourth proportional to 692,899, 956,203.50 and 374,947 is: 517,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,899 : 956,203.50 = 374,947 : x
  2. Step 2: Convert to fraction form
    692,899/956,203.50 = 374,947/x
  3. Step 3: Cross multiply
    692,899x = 956,203.50 × 374,947
  4. Step 4: Simplify right side
    692,899x = 358,525,633,714.50
  5. Step 5: Solve for x
    x = 358,525,633,714.50/692,899
  6. Step 6: Final answer
    x = 517,428.42

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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.