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Finding the Fourth Proportional to 651,349.37, 898,603.52 and 406,189.91

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Solution

The fourth proportional to 651,349.37, 898,603.52 and 406,189.91 is: 560,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,349.37 : 898,603.52 = 406,189.91 : x
  2. Step 2: Convert to fraction form
    651,349.37/898,603.52 = 406,189.91/x
  3. Step 3: Cross multiply
    651,349.37x = 898,603.52 × 406,189.91
  4. Step 4: Simplify right side
    651,349.37x = 365,003,676,390.52
  5. Step 5: Solve for x
    x = 365,003,676,390.52/651,349.37
  6. Step 6: Final answer
    x = 560,380.80

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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.