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Finding the Fourth Proportional to 614,773.89, 848,386.32 and 342,842.09

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Solution

The fourth proportional to 614,773.89, 848,386.32 and 342,842.09 is: 473,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,773.89 : 848,386.32 = 342,842.09 : x
  2. Step 2: Convert to fraction form
    614,773.89/848,386.32 = 342,842.09/x
  3. Step 3: Cross multiply
    614,773.89x = 848,386.32 × 342,842.09
  4. Step 4: Simplify right side
    614,773.89x = 290,862,534,834.28
  5. Step 5: Solve for x
    x = 290,862,534,834.28/614,773.89
  6. Step 6: Final answer
    x = 473,121.16

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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.