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Finding the Fourth Proportional to 585,619.68, 808,156.08 and 317,347.68

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Solution

The fourth proportional to 585,619.68, 808,156.08 and 317,347.68 is: 437,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,619.68 : 808,156.08 = 317,347.68 : x
  2. Step 2: Convert to fraction form
    585,619.68/808,156.08 = 317,347.68/x
  3. Step 3: Cross multiply
    585,619.68x = 808,156.08 × 317,347.68
  4. Step 4: Simplify right side
    585,619.68x = 256,466,457,065.89
  5. Step 5: Solve for x
    x = 256,466,457,065.89/585,619.68
  6. Step 6: Final answer
    x = 437,940.30

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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.