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Finding the Fourth Proportional to 522,312.96, 720,568.81 and 360,887.75

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Solution

The fourth proportional to 522,312.96, 720,568.81 and 360,887.75 is: 497,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,312.96 : 720,568.81 = 360,887.75 : x
  2. Step 2: Convert to fraction form
    522,312.96/720,568.81 = 360,887.75/x
  3. Step 3: Cross multiply
    522,312.96x = 720,568.81 × 360,887.75
  4. Step 4: Simplify right side
    522,312.96x = 260,044,460,164.68
  5. Step 5: Solve for x
    x = 260,044,460,164.68/522,312.96
  6. Step 6: Final answer
    x = 497,870.97

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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.