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Finding the Fourth Proportional to 530,901.39, 732,595.28 and 316,093.71

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Solution

The fourth proportional to 530,901.39, 732,595.28 and 316,093.71 is: 436,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,901.39 : 732,595.28 = 316,093.71 : x
  2. Step 2: Convert to fraction form
    530,901.39/732,595.28 = 316,093.71/x
  3. Step 3: Cross multiply
    530,901.39x = 732,595.28 × 316,093.71
  4. Step 4: Simplify right side
    530,901.39x = 231,568,758,403.22
  5. Step 5: Solve for x
    x = 231,568,758,403.22/530,901.39
  6. Step 6: Final answer
    x = 436,180.36

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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.