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Finding the Fourth Proportional to 532,823.52, 735,347.32 and 291,142.84

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Solution

The fourth proportional to 532,823.52, 735,347.32 and 291,142.84 is: 401,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,823.52 : 735,347.32 = 291,142.84 : x
  2. Step 2: Convert to fraction form
    532,823.52/735,347.32 = 291,142.84/x
  3. Step 3: Cross multiply
    532,823.52x = 735,347.32 × 291,142.84
  4. Step 4: Simplify right side
    532,823.52x = 214,091,107,131.19
  5. Step 5: Solve for x
    x = 214,091,107,131.19/532,823.52
  6. Step 6: Final answer
    x = 401,804.91

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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.