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Finding the Fourth Proportional to 519,337.16, 779,106.74 and 199,465.63

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Solution

The fourth proportional to 519,337.16, 779,106.74 and 199,465.63 is: 299,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,337.16 : 779,106.74 = 199,465.63 : x
  2. Step 2: Convert to fraction form
    519,337.16/779,106.74 = 199,465.63/x
  3. Step 3: Cross multiply
    519,337.16x = 779,106.74 × 199,465.63
  4. Step 4: Simplify right side
    519,337.16x = 155,405,011,838.48
  5. Step 5: Solve for x
    x = 155,405,011,838.48/519,337.16
  6. Step 6: Final answer
    x = 299,237.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.