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Finding the Fourth Proportional to 719,493.84, 992,985.48 and 598,421.52

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Solution

The fourth proportional to 719,493.84, 992,985.48 and 598,421.52 is: 825,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,493.84 : 992,985.48 = 598,421.52 : x
  2. Step 2: Convert to fraction form
    719,493.84/992,985.48 = 598,421.52/x
  3. Step 3: Cross multiply
    719,493.84x = 992,985.48 × 598,421.52
  4. Step 4: Simplify right side
    719,493.84x = 594,223,880,279.53
  5. Step 5: Solve for x
    x = 594,223,880,279.53/719,493.84
  6. Step 6: Final answer
    x = 825,891.55

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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.