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Finding the Fourth Proportional to 584,701.34, 806,887.88 and 316,429.34

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Solution

The fourth proportional to 584,701.34, 806,887.88 and 316,429.34 is: 436,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,701.34 : 806,887.88 = 316,429.34 : x
  2. Step 2: Convert to fraction form
    584,701.34/806,887.88 = 316,429.34/x
  3. Step 3: Cross multiply
    584,701.34x = 806,887.88 × 316,429.34
  4. Step 4: Simplify right side
    584,701.34x = 255,322,999,322.40
  5. Step 5: Solve for x
    x = 255,322,999,322.40/584,701.34
  6. Step 6: Final answer
    x = 436,672.51

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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.