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Finding the Fourth Proportional to 585,860.16, 808,485.12 and 317,588.16

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Solution

The fourth proportional to 585,860.16, 808,485.12 and 317,588.16 is: 438,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,860.16 : 808,485.12 = 317,588.16 : x
  2. Step 2: Convert to fraction form
    585,860.16/808,485.12 = 317,588.16/x
  3. Step 3: Cross multiply
    585,860.16x = 808,485.12 × 317,588.16
  4. Step 4: Simplify right side
    585,860.16x = 256,765,301,648.18
  5. Step 5: Solve for x
    x = 256,765,301,648.18/585,860.16
  6. Step 6: Final answer
    x = 438,270.63

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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.