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Finding the Fourth Proportional to 592,210.58, 817,253.11 and 320,278.52

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Solution

The fourth proportional to 592,210.58, 817,253.11 and 320,278.52 is: 441,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,210.58 : 817,253.11 = 320,278.52 : x
  2. Step 2: Convert to fraction form
    592,210.58/817,253.11 = 320,278.52/x
  3. Step 3: Cross multiply
    592,210.58x = 817,253.11 × 320,278.52
  4. Step 4: Simplify right side
    592,210.58x = 261,748,618,979.68
  5. Step 5: Solve for x
    x = 261,748,618,979.68/592,210.58
  6. Step 6: Final answer
    x = 441,985.72

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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.