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Finding the Fourth Proportional to 704,851.62, 972,695.70 and 382,561.71

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Solution

The fourth proportional to 704,851.62, 972,695.70 and 382,561.71 is: 527,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,851.62 : 972,695.70 = 382,561.71 : x
  2. Step 2: Convert to fraction form
    704,851.62/972,695.70 = 382,561.71/x
  3. Step 3: Cross multiply
    704,851.62x = 972,695.70 × 382,561.71
  4. Step 4: Simplify right side
    704,851.62x = 372,116,130,301.65
  5. Step 5: Solve for x
    x = 372,116,130,301.65/704,851.62
  6. Step 6: Final answer
    x = 527,935.41

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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.