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Finding the Fourth Proportional to 296,779.34, 409,546.59 and 169,430.06

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Solution

The fourth proportional to 296,779.34, 409,546.59 and 169,430.06 is: 233,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779.34 : 409,546.59 = 169,430.06 : x
  2. Step 2: Convert to fraction form
    296,779.34/409,546.59 = 169,430.06/x
  3. Step 3: Cross multiply
    296,779.34x = 409,546.59 × 169,430.06
  4. Step 4: Simplify right side
    296,779.34x = 69,389,503,316.50
  5. Step 5: Solve for x
    x = 69,389,503,316.50/296,779.34
  6. Step 6: Final answer
    x = 233,808.40

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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.