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Finding the Fourth Proportional to 602,119.52, 830,918.08 and 347,465.24

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Solution

The fourth proportional to 602,119.52, 830,918.08 and 347,465.24 is: 479,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,119.52 : 830,918.08 = 347,465.24 : x
  2. Step 2: Convert to fraction form
    602,119.52/830,918.08 = 347,465.24/x
  3. Step 3: Cross multiply
    602,119.52x = 830,918.08 × 347,465.24
  4. Step 4: Simplify right side
    602,119.52x = 288,715,150,087.54
  5. Step 5: Solve for x
    x = 288,715,150,087.54/602,119.52
  6. Step 6: Final answer
    x = 479,498.07

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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.