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Finding the Fourth Proportional to 491,263.20, 736,894.80 and 175,730.40

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Solution

The fourth proportional to 491,263.20, 736,894.80 and 175,730.40 is: 263,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,263.20 : 736,894.80 = 175,730.40 : x
  2. Step 2: Convert to fraction form
    491,263.20/736,894.80 = 175,730.40/x
  3. Step 3: Cross multiply
    491,263.20x = 736,894.80 × 175,730.40
  4. Step 4: Simplify right side
    491,263.20x = 129,494,817,961.92
  5. Step 5: Solve for x
    x = 129,494,817,961.92/491,263.20
  6. Step 6: Final answer
    x = 263,595.60

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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.