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Finding the Fourth Proportional to 584,879.59, 807,133.98 and 316,607.59

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Solution

The fourth proportional to 584,879.59, 807,133.98 and 316,607.59 is: 436,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,879.59 : 807,133.98 = 316,607.59 : x
  2. Step 2: Convert to fraction form
    584,879.59/807,133.98 = 316,607.59/x
  3. Step 3: Cross multiply
    584,879.59x = 807,133.98 × 316,607.59
  4. Step 4: Simplify right side
    584,879.59x = 255,544,744,214.91
  5. Step 5: Solve for x
    x = 255,544,744,214.91/584,879.59
  6. Step 6: Final answer
    x = 436,918.55

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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.