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Finding the Fourth Proportional to 584,899.93, 877,628.85 and 318,654.55

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Solution

The fourth proportional to 584,899.93, 877,628.85 and 318,654.55 is: 478,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,899.93 : 877,628.85 = 318,654.55 : x
  2. Step 2: Convert to fraction form
    584,899.93/877,628.85 = 318,654.55/x
  3. Step 3: Cross multiply
    584,899.93x = 877,628.85 × 318,654.55
  4. Step 4: Simplify right side
    584,899.93x = 279,660,426,263.77
  5. Step 5: Solve for x
    x = 279,660,426,263.77/584,899.93
  6. Step 6: Final answer
    x = 478,133.80

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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.