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Finding the Fourth Proportional to 490,097.42, 735,248.16 and 153,124.46

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Solution

The fourth proportional to 490,097.42, 735,248.16 and 153,124.46 is: 229,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,097.42 : 735,248.16 = 153,124.46 : x
  2. Step 2: Convert to fraction form
    490,097.42/735,248.16 = 153,124.46/x
  3. Step 3: Cross multiply
    490,097.42x = 735,248.16 × 153,124.46
  4. Step 4: Simplify right side
    490,097.42x = 112,584,477,465.99
  5. Step 5: Solve for x
    x = 112,584,477,465.99/490,097.42
  6. Step 6: Final answer
    x = 229,718.57

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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.