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Finding the Fourth Proportional to 616,596.79, 850,897.14 and 361,898.77

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Solution

The fourth proportional to 616,596.79, 850,897.14 and 361,898.77 is: 499,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,596.79 : 850,897.14 = 361,898.77 : x
  2. Step 2: Convert to fraction form
    616,596.79/850,897.14 = 361,898.77/x
  3. Step 3: Cross multiply
    616,596.79x = 850,897.14 × 361,898.77
  4. Step 4: Simplify right side
    616,596.79x = 307,938,628,362.52
  5. Step 5: Solve for x
    x = 307,938,628,362.52/616,596.79
  6. Step 6: Final answer
    x = 499,416.53

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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.