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Finding the Fourth Proportional to 574,720.80, 793,083.52 and 316,547.50

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Solution

The fourth proportional to 574,720.80, 793,083.52 and 316,547.50 is: 436,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,720.80 : 793,083.52 = 316,547.50 : x
  2. Step 2: Convert to fraction form
    574,720.80/793,083.52 = 316,547.50/x
  3. Step 3: Cross multiply
    574,720.80x = 793,083.52 × 316,547.50
  4. Step 4: Simplify right side
    574,720.80x = 251,048,605,547.20
  5. Step 5: Solve for x
    x = 251,048,605,547.20/574,720.80
  6. Step 6: Final answer
    x = 436,818.37

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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.