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Finding the Fourth Proportional to 651,008.45, 898,398.85 and 360,624.47

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Solution

The fourth proportional to 651,008.45, 898,398.85 and 360,624.47 is: 497,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,008.45 : 898,398.85 = 360,624.47 : x
  2. Step 2: Convert to fraction form
    651,008.45/898,398.85 = 360,624.47/x
  3. Step 3: Cross multiply
    651,008.45x = 898,398.85 × 360,624.47
  4. Step 4: Simplify right side
    651,008.45x = 323,984,604,637.87
  5. Step 5: Solve for x
    x = 323,984,604,637.87/651,008.45
  6. Step 6: Final answer
    x = 497,665.74

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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.