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Finding the Fourth Proportional to 584,879.93, 807,134.36 and 316,607.93

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Solution

The fourth proportional to 584,879.93, 807,134.36 and 316,607.93 is: 436,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,879.93 : 807,134.36 = 316,607.93 : x
  2. Step 2: Convert to fraction form
    584,879.93/807,134.36 = 316,607.93/x
  3. Step 3: Cross multiply
    584,879.93x = 807,134.36 × 316,607.93
  4. Step 4: Simplify right side
    584,879.93x = 255,545,138,951.48
  5. Step 5: Solve for x
    x = 255,545,138,951.48/584,879.93
  6. Step 6: Final answer
    x = 436,918.97

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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.