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Finding the Fourth Proportional to 584,216.40, 876,713.40 and 331,496.40

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Solution

The fourth proportional to 584,216.40, 876,713.40 and 331,496.40 is: 497,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,216.40 : 876,713.40 = 331,496.40 : x
  2. Step 2: Convert to fraction form
    584,216.40/876,713.40 = 331,496.40/x
  3. Step 3: Cross multiply
    584,216.40x = 876,713.40 × 331,496.40
  4. Step 4: Simplify right side
    584,216.40x = 290,627,335,931.76
  5. Step 5: Solve for x
    x = 290,627,335,931.76/584,216.40
  6. Step 6: Final answer
    x = 497,465.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.