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Finding the Fourth Proportional to 719,452.99, 992,707.09 and 432,991.52

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Solution

The fourth proportional to 719,452.99, 992,707.09 and 432,991.52 is: 597,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,452.99 : 992,707.09 = 432,991.52 : x
  2. Step 2: Convert to fraction form
    719,452.99/992,707.09 = 432,991.52/x
  3. Step 3: Cross multiply
    719,452.99x = 992,707.09 × 432,991.52
  4. Step 4: Simplify right side
    719,452.99x = 429,833,757,510.07
  5. Step 5: Solve for x
    x = 429,833,757,510.07/719,452.99
  6. Step 6: Final answer
    x = 597,445.23

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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.