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Finding the Fourth Proportional to 650,820.81, 898,136.25 and 360,441.87

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Solution

The fourth proportional to 650,820.81, 898,136.25 and 360,441.87 is: 497,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,820.81 : 898,136.25 = 360,441.87 : x
  2. Step 2: Convert to fraction form
    650,820.81/898,136.25 = 360,441.87/x
  3. Step 3: Cross multiply
    650,820.81x = 898,136.25 × 360,441.87
  4. Step 4: Simplify right side
    650,820.81x = 323,725,909,464.79
  5. Step 5: Solve for x
    x = 323,725,909,464.79/650,820.81
  6. Step 6: Final answer
    x = 497,411.74

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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.