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Finding the Fourth Proportional to 704,765.07, 972,582.98 and 382,477.95

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Solution

The fourth proportional to 704,765.07, 972,582.98 and 382,477.95 is: 527,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,765.07 : 972,582.98 = 382,477.95 : x
  2. Step 2: Convert to fraction form
    704,765.07/972,582.98 = 382,477.95/x
  3. Step 3: Cross multiply
    704,765.07x = 972,582.98 × 382,477.95
  4. Step 4: Simplify right side
    704,765.07x = 371,991,542,482.90
  5. Step 5: Solve for x
    x = 371,991,542,482.90/704,765.07
  6. Step 6: Final answer
    x = 527,823.47

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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.