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Finding the Fourth Proportional to 590,320.84, 885,446.01 and 347,298.45

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Solution

The fourth proportional to 590,320.84, 885,446.01 and 347,298.45 is: 520,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,320.84 : 885,446.01 = 347,298.45 : x
  2. Step 2: Convert to fraction form
    590,320.84/885,446.01 = 347,298.45/x
  3. Step 3: Cross multiply
    590,320.84x = 885,446.01 × 347,298.45
  4. Step 4: Simplify right side
    590,320.84x = 307,514,026,831.69
  5. Step 5: Solve for x
    x = 307,514,026,831.69/590,320.84
  6. Step 6: Final answer
    x = 520,926.94

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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.