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Finding the Fourth Proportional to 683,436.04, 942,952.44 and 393,031.82

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Solution

The fourth proportional to 683,436.04, 942,952.44 and 393,031.82 is: 542,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,436.04 : 942,952.44 = 393,031.82 : x
  2. Step 2: Convert to fraction form
    683,436.04/942,952.44 = 393,031.82/x
  3. Step 3: Cross multiply
    683,436.04x = 942,952.44 × 393,031.82
  4. Step 4: Simplify right side
    683,436.04x = 370,610,313,666.64
  5. Step 5: Solve for x
    x = 370,610,313,666.64/683,436.04
  6. Step 6: Final answer
    x = 542,275.05

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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.