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Finding the Fourth Proportional to 704,888.82, 972,720.51 and 382,592.04

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Solution

The fourth proportional to 704,888.82, 972,720.51 and 382,592.04 is: 527,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,888.82 : 972,720.51 = 382,592.04 : x
  2. Step 2: Convert to fraction form
    704,888.82/972,720.51 = 382,592.04/x
  3. Step 3: Cross multiply
    704,888.82x = 972,720.51 × 382,592.04
  4. Step 4: Simplify right side
    704,888.82x = 372,155,124,270.74
  5. Step 5: Solve for x
    x = 372,155,124,270.74/704,888.82
  6. Step 6: Final answer
    x = 527,962.87

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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.