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Finding the Fourth Proportional to 719,304.30, 992,030.49 and 432,770.85

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Solution

The fourth proportional to 719,304.30, 992,030.49 and 432,770.85 is: 596,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,304.30 : 992,030.49 = 432,770.85 : x
  2. Step 2: Convert to fraction form
    719,304.30/992,030.49 = 432,770.85/x
  3. Step 3: Cross multiply
    719,304.30x = 992,030.49 × 432,770.85
  4. Step 4: Simplify right side
    719,304.30x = 429,321,878,383.22
  5. Step 5: Solve for x
    x = 429,321,878,383.22/719,304.30
  6. Step 6: Final answer
    x = 596,857.10

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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.