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Finding the Fourth Proportional to 532,462.34, 734,801.59 and 290,746.60

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Solution

The fourth proportional to 532,462.34, 734,801.59 and 290,746.60 is: 401,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,462.34 : 734,801.59 = 290,746.60 : x
  2. Step 2: Convert to fraction form
    532,462.34/734,801.59 = 290,746.60/x
  3. Step 3: Cross multiply
    532,462.34x = 734,801.59 × 290,746.60
  4. Step 4: Simplify right side
    532,462.34x = 213,641,062,493.52
  5. Step 5: Solve for x
    x = 213,641,062,493.52/532,462.34
  6. Step 6: Final answer
    x = 401,232.25

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Double scale
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Similar ratio
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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.