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Finding the Fourth Proportional to 519,444,184, 716,855,507.04 and 287,657,176

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Solution

The fourth proportional to 519,444,184, 716,855,507.04 and 287,657,176 is: 396,979,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,444,184 : 716,855,507.04 = 287,657,176 : x
  2. Step 2: Convert to fraction form
    519,444,184/716,855,507.04 = 287,657,176/x
  3. Step 3: Cross multiply
    519,444,184x = 716,855,507.04 × 287,657,176
  4. Step 4: Simplify right side
    519,444,184x = 206,208,630,755,174,496
  5. Step 5: Solve for x
    x = 206,208,630,755,174,496/519,444,184
  6. Step 6: Final answer
    x = 396,979,381.24

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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.