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Finding the Fourth Proportional to 584,815.88, 807,048.34 and 316,543.88

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Solution

The fourth proportional to 584,815.88, 807,048.34 and 316,543.88 is: 436,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,815.88 : 807,048.34 = 316,543.88 : x
  2. Step 2: Convert to fraction form
    584,815.88/807,048.34 = 316,543.88/x
  3. Step 3: Cross multiply
    584,815.88x = 807,048.34 × 316,543.88
  4. Step 4: Simplify right side
    584,815.88x = 255,466,208,064.56
  5. Step 5: Solve for x
    x = 255,466,208,064.56/584,815.88
  6. Step 6: Final answer
    x = 436,831.86

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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.