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Finding the Fourth Proportional to 482,859.70, 724,001.55 and 296,005.30

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Solution

The fourth proportional to 482,859.70, 724,001.55 and 296,005.30 is: 443,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,859.70 : 724,001.55 = 296,005.30 : x
  2. Step 2: Convert to fraction form
    482,859.70/724,001.55 = 296,005.30/x
  3. Step 3: Cross multiply
    482,859.70x = 724,001.55 × 296,005.30
  4. Step 4: Simplify right side
    482,859.70x = 214,308,296,008.22
  5. Step 5: Solve for x
    x = 214,308,296,008.22/482,859.70
  6. Step 6: Final answer
    x = 443,831.40

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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.