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Finding the Fourth Proportional to 370,475.34, 553,030.70 and 325,635.66

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Solution

The fourth proportional to 370,475.34, 553,030.70 and 325,635.66 is: 486,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,475.34 : 553,030.70 = 325,635.66 : x
  2. Step 2: Convert to fraction form
    370,475.34/553,030.70 = 325,635.66/x
  3. Step 3: Cross multiply
    370,475.34x = 553,030.70 × 325,635.66
  4. Step 4: Simplify right side
    370,475.34x = 180,086,515,366.58
  5. Step 5: Solve for x
    x = 180,086,515,366.58/370,475.34
  6. Step 6: Final answer
    x = 486,095.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.