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Finding the Fourth Proportional to 586,113.38, 808,788.27 and 327,976.98

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Solution

The fourth proportional to 586,113.38, 808,788.27 and 327,976.98 is: 452,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,113.38 : 808,788.27 = 327,976.98 : x
  2. Step 2: Convert to fraction form
    586,113.38/808,788.27 = 327,976.98/x
  3. Step 3: Cross multiply
    586,113.38x = 808,788.27 × 327,976.98
  4. Step 4: Simplify right side
    586,113.38x = 265,263,934,254.03
  5. Step 5: Solve for x
    x = 265,263,934,254.03/586,113.38
  6. Step 6: Final answer
    x = 452,581.26

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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.