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Finding the Fourth Proportional to 585,535.62, 808,039.35 and 317,263.62

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Solution

The fourth proportional to 585,535.62, 808,039.35 and 317,263.62 is: 437,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,535.62 : 808,039.35 = 317,263.62 : x
  2. Step 2: Convert to fraction form
    585,535.62/808,039.35 = 317,263.62/x
  3. Step 3: Cross multiply
    585,535.62x = 808,039.35 × 317,263.62
  4. Step 4: Simplify right side
    585,535.62x = 256,361,489,283.45
  5. Step 5: Solve for x
    x = 256,361,489,283.45/585,535.62
  6. Step 6: Final answer
    x = 437,823.90

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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.