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Finding the Fourth Proportional to 606,817, 910,225.50 and 163,585

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Solution

The fourth proportional to 606,817, 910,225.50 and 163,585 is: 245,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,817 : 910,225.50 = 163,585 : x
  2. Step 2: Convert to fraction form
    606,817/910,225.50 = 163,585/x
  3. Step 3: Cross multiply
    606,817x = 910,225.50 × 163,585
  4. Step 4: Simplify right side
    606,817x = 148,899,238,417.50
  5. Step 5: Solve for x
    x = 148,899,238,417.50/606,817
  6. Step 6: Final answer
    x = 245,377.50

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Similar ratio
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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.