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Finding the Fourth Proportional to 614,900.34, 922,630.76 and 315,591.11

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Solution

The fourth proportional to 614,900.34, 922,630.76 and 315,591.11 is: 473,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,900.34 : 922,630.76 = 315,591.11 : x
  2. Step 2: Convert to fraction form
    614,900.34/922,630.76 = 315,591.11/x
  3. Step 3: Cross multiply
    614,900.34x = 922,630.76 × 315,591.11
  4. Step 4: Simplify right side
    614,900.34x = 291,174,065,668.54
  5. Step 5: Solve for x
    x = 291,174,065,668.54/614,900.34
  6. Step 6: Final answer
    x = 473,530.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.