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Finding the Fourth Proportional to 592,646.63, 817,852.28 and 320,714.51

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Solution

The fourth proportional to 592,646.63, 817,852.28 and 320,714.51 is: 442,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,646.63 : 817,852.28 = 320,714.51 : x
  2. Step 2: Convert to fraction form
    592,646.63/817,852.28 = 320,714.51/x
  3. Step 3: Cross multiply
    592,646.63x = 817,852.28 × 320,714.51
  4. Step 4: Simplify right side
    592,646.63x = 262,297,087,539.75
  5. Step 5: Solve for x
    x = 262,297,087,539.75/592,646.63
  6. Step 6: Final answer
    x = 442,585.98

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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.