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Finding the Fourth Proportional to 355,357.66, 535,434.03 and 293,562.15

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Solution

The fourth proportional to 355,357.66, 535,434.03 and 293,562.15 is: 442,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,357.66 : 535,434.03 = 293,562.15 : x
  2. Step 2: Convert to fraction form
    355,357.66/535,434.03 = 293,562.15/x
  3. Step 3: Cross multiply
    355,357.66x = 535,434.03 × 293,562.15
  4. Step 4: Simplify right side
    355,357.66x = 157,183,166,130.82
  5. Step 5: Solve for x
    x = 157,183,166,130.82/355,357.66
  6. Step 6: Final answer
    x = 442,323.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.