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Finding the Fourth Proportional to 585,092.48, 807,426.24 and 316,820.48

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Solution

The fourth proportional to 585,092.48, 807,426.24 and 316,820.48 is: 437,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,092.48 : 807,426.24 = 316,820.48 : x
  2. Step 2: Convert to fraction form
    585,092.48/807,426.24 = 316,820.48/x
  3. Step 3: Cross multiply
    585,092.48x = 807,426.24 × 316,820.48
  4. Step 4: Simplify right side
    585,092.48x = 255,809,168,921.40
  5. Step 5: Solve for x
    x = 255,809,168,921.40/585,092.48
  6. Step 6: Final answer
    x = 437,211.51

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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.