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Finding the Fourth Proportional to 586,352.40, 809,151.40 and 328,232.40

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Solution

The fourth proportional to 586,352.40, 809,151.40 and 328,232.40 is: 452,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,352.40 : 809,151.40 = 328,232.40 : x
  2. Step 2: Convert to fraction form
    586,352.40/809,151.40 = 328,232.40/x
  3. Step 3: Cross multiply
    586,352.40x = 809,151.40 × 328,232.40
  4. Step 4: Simplify right side
    586,352.40x = 265,589,705,985.36
  5. Step 5: Solve for x
    x = 265,589,705,985.36/586,352.40
  6. Step 6: Final answer
    x = 452,952.36

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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.