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Finding the Fourth Proportional to 592,897.29, 818,197.32 and 320,965.11

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Solution

The fourth proportional to 592,897.29, 818,197.32 and 320,965.11 is: 442,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,897.29 : 818,197.32 = 320,965.11 : x
  2. Step 2: Convert to fraction form
    592,897.29/818,197.32 = 320,965.11/x
  3. Step 3: Cross multiply
    592,897.29x = 818,197.32 × 320,965.11
  4. Step 4: Simplify right side
    592,897.29x = 262,612,792,815.51
  5. Step 5: Solve for x
    x = 262,612,792,815.51/592,897.29
  6. Step 6: Final answer
    x = 442,931.34

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Double scale
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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.