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Finding the Fourth Proportional to 584,970.75, 877,345.16 and 285,149.79

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Solution

The fourth proportional to 584,970.75, 877,345.16 and 285,149.79 is: 427,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,970.75 : 877,345.16 = 285,149.79 : x
  2. Step 2: Convert to fraction form
    584,970.75/877,345.16 = 285,149.79/x
  3. Step 3: Cross multiply
    584,970.75x = 877,345.16 × 285,149.79
  4. Step 4: Simplify right side
    584,970.75x = 250,174,786,705.77
  5. Step 5: Solve for x
    x = 250,174,786,705.77/584,970.75
  6. Step 6: Final answer
    x = 427,670.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.