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Finding the Fourth Proportional to 704,566.75, 972,273.75 and 382,264.51

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Solution

The fourth proportional to 704,566.75, 972,273.75 and 382,264.51 is: 527,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,566.75 : 972,273.75 = 382,264.51 : x
  2. Step 2: Convert to fraction form
    704,566.75/972,273.75 = 382,264.51/x
  3. Step 3: Cross multiply
    704,566.75x = 972,273.75 × 382,264.51
  4. Step 4: Simplify right side
    704,566.75x = 371,665,748,629.61
  5. Step 5: Solve for x
    x = 371,665,748,629.61/704,566.75
  6. Step 6: Final answer
    x = 527,509.63

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1.5x scale

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.