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Finding the Fourth Proportional to 302,403.40, 453,307.70 and 144,594.95

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Solution

The fourth proportional to 302,403.40, 453,307.70 and 144,594.95 is: 216,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,403.40 : 453,307.70 = 144,594.95 : x
  2. Step 2: Convert to fraction form
    302,403.40/453,307.70 = 144,594.95/x
  3. Step 3: Cross multiply
    302,403.40x = 453,307.70 × 144,594.95
  4. Step 4: Simplify right side
    302,403.40x = 65,546,002,311.06
  5. Step 5: Solve for x
    x = 65,546,002,311.06/302,403.40
  6. Step 6: Final answer
    x = 216,750.22

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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.