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Finding the Fourth Proportional to 575,676.40, 794,435.16 and 317,547.12

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Solution

The fourth proportional to 575,676.40, 794,435.16 and 317,547.12 is: 438,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,676.40 : 794,435.16 = 317,547.12 : x
  2. Step 2: Convert to fraction form
    575,676.40/794,435.16 = 317,547.12/x
  3. Step 3: Cross multiply
    575,676.40x = 794,435.16 × 317,547.12
  4. Step 4: Simplify right side
    575,676.40x = 252,270,597,084.74
  5. Step 5: Solve for x
    x = 252,270,597,084.74/575,676.40
  6. Step 6: Final answer
    x = 438,215.98

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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.