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Finding the Fourth Proportional to 841,590.48, 1,161,258.72 and 479,019.90

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Solution

The fourth proportional to 841,590.48, 1,161,258.72 and 479,019.90 is: 660,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,590.48 : 1,161,258.72 = 479,019.90 : x
  2. Step 2: Convert to fraction form
    841,590.48/1,161,258.72 = 479,019.90/x
  3. Step 3: Cross multiply
    841,590.48x = 1,161,258.72 × 479,019.90
  4. Step 4: Simplify right side
    841,590.48x = 556,266,035,928.53
  5. Step 5: Solve for x
    x = 556,266,035,928.53/841,590.48
  6. Step 6: Final answer
    x = 660,969.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.