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Finding the Fourth Proportional to 373,296.90, 559,945.35 and 349,968.90

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Solution

The fourth proportional to 373,296.90, 559,945.35 and 349,968.90 is: 524,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,296.90 : 559,945.35 = 349,968.90 : x
  2. Step 2: Convert to fraction form
    373,296.90/559,945.35 = 349,968.90/x
  3. Step 3: Cross multiply
    373,296.90x = 559,945.35 × 349,968.90
  4. Step 4: Simplify right side
    373,296.90x = 195,963,458,199.62
  5. Step 5: Solve for x
    x = 195,963,458,199.62/373,296.90
  6. Step 6: Final answer
    x = 524,953.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.