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Finding the Fourth Proportional to 719,357.80, 992,104.30 and 432,824.36

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Solution

The fourth proportional to 719,357.80, 992,104.30 and 432,824.36 is: 596,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,357.80 : 992,104.30 = 432,824.36 : x
  2. Step 2: Convert to fraction form
    719,357.80/992,104.30 = 432,824.36/x
  3. Step 3: Cross multiply
    719,357.80x = 992,104.30 × 432,824.36
  4. Step 4: Simplify right side
    719,357.80x = 429,406,908,700.75
  5. Step 5: Solve for x
    x = 429,406,908,700.75/719,357.80
  6. Step 6: Final answer
    x = 596,930.91

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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.