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Finding the Fourth Proportional to 585,627.52, 808,144.32 and 317,349.76

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Solution

The fourth proportional to 585,627.52, 808,144.32 and 317,349.76 is: 437,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,627.52 : 808,144.32 = 317,349.76 : x
  2. Step 2: Convert to fraction form
    585,627.52/808,144.32 = 317,349.76/x
  3. Step 3: Cross multiply
    585,627.52x = 808,144.32 × 317,349.76
  4. Step 4: Simplify right side
    585,627.52x = 256,464,405,997.36
  5. Step 5: Solve for x
    x = 256,464,405,997.36/585,627.52
  6. Step 6: Final answer
    x = 437,930.93

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1.5x scale

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.