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Finding the Fourth Proportional to 671,699.14, 926,931.48 and 365,779.15

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Solution

The fourth proportional to 671,699.14, 926,931.48 and 365,779.15 is: 504,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,699.14 : 926,931.48 = 365,779.15 : x
  2. Step 2: Convert to fraction form
    671,699.14/926,931.48 = 365,779.15/x
  3. Step 3: Cross multiply
    671,699.14x = 926,931.48 × 365,779.15
  4. Step 4: Simplify right side
    671,699.14x = 339,052,208,862.64
  5. Step 5: Solve for x
    x = 339,052,208,862.64/671,699.14
  6. Step 6: Final answer
    x = 504,767.97

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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.