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Finding the Fourth Proportional to 556,557.30, 833,851.80 and 471,920.40

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Solution

The fourth proportional to 556,557.30, 833,851.80 and 471,920.40 is: 707,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,557.30 : 833,851.80 = 471,920.40 : x
  2. Step 2: Convert to fraction form
    556,557.30/833,851.80 = 471,920.40/x
  3. Step 3: Cross multiply
    556,557.30x = 833,851.80 × 471,920.40
  4. Step 4: Simplify right side
    556,557.30x = 393,511,674,996.72
  5. Step 5: Solve for x
    x = 393,511,674,996.72/556,557.30
  6. Step 6: Final answer
    x = 707,046.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.