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Finding the Fourth Proportional to 592,897.10, 818,197.83 and 320,964.80

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Solution

The fourth proportional to 592,897.10, 818,197.83 and 320,964.80 is: 442,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,897.10 : 818,197.83 = 320,964.80 : x
  2. Step 2: Convert to fraction form
    592,897.10/818,197.83 = 320,964.80/x
  3. Step 3: Cross multiply
    592,897.10x = 818,197.83 × 320,964.80
  4. Step 4: Simplify right side
    592,897.10x = 262,612,702,866.38
  5. Step 5: Solve for x
    x = 262,612,702,866.38/592,897.10
  6. Step 6: Final answer
    x = 442,931.33

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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.