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Finding the Fourth Proportional to 519,173.64, 716,182.02 and 358,108.38

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Solution

The fourth proportional to 519,173.64, 716,182.02 and 358,108.38 is: 493,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,173.64 : 716,182.02 = 358,108.38 : x
  2. Step 2: Convert to fraction form
    519,173.64/716,182.02 = 358,108.38/x
  3. Step 3: Cross multiply
    519,173.64x = 716,182.02 × 358,108.38
  4. Step 4: Simplify right side
    519,173.64x = 256,470,782,967.33
  5. Step 5: Solve for x
    x = 256,470,782,967.33/519,173.64
  6. Step 6: Final answer
    x = 493,998.08

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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.