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Finding the Fourth Proportional to 532,851.39, 735,326.22 and 291,128.76

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Solution

The fourth proportional to 532,851.39, 735,326.22 and 291,128.76 is: 401,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,851.39 : 735,326.22 = 291,128.76 : x
  2. Step 2: Convert to fraction form
    532,851.39/735,326.22 = 291,128.76/x
  3. Step 3: Cross multiply
    532,851.39x = 735,326.22 × 291,128.76
  4. Step 4: Simplify right side
    532,851.39x = 214,074,610,624.09
  5. Step 5: Solve for x
    x = 214,074,610,624.09/532,851.39
  6. Step 6: Final answer
    x = 401,752.94

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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.