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Finding the Fourth Proportional to 590,564.40, 885,849.64 and 147,332.40

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Solution

The fourth proportional to 590,564.40, 885,849.64 and 147,332.40 is: 220,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,564.40 : 885,849.64 = 147,332.40 : x
  2. Step 2: Convert to fraction form
    590,564.40/885,849.64 = 147,332.40/x
  3. Step 3: Cross multiply
    590,564.40x = 885,849.64 × 147,332.40
  4. Step 4: Simplify right side
    590,564.40x = 130,514,353,500.34
  5. Step 5: Solve for x
    x = 130,514,353,500.34/590,564.40
  6. Step 6: Final answer
    x = 220,999.36

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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.