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Finding the Fourth Proportional to 592,235.39, 817,284.84 and 320,303.30

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Solution

The fourth proportional to 592,235.39, 817,284.84 and 320,303.30 is: 442,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,235.39 : 817,284.84 = 320,303.30 : x
  2. Step 2: Convert to fraction form
    592,235.39/817,284.84 = 320,303.30/x
  3. Step 3: Cross multiply
    592,235.39x = 817,284.84 × 320,303.30
  4. Step 4: Simplify right side
    592,235.39x = 261,779,027,205.55
  5. Step 5: Solve for x
    x = 261,779,027,205.55/592,235.39
  6. Step 6: Final answer
    x = 442,018.55

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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.