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Finding the Fourth Proportional to 608,077.80, 912,116.70 and 497,485.80

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Solution

The fourth proportional to 608,077.80, 912,116.70 and 497,485.80 is: 746,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,077.80 : 912,116.70 = 497,485.80 : x
  2. Step 2: Convert to fraction form
    608,077.80/912,116.70 = 497,485.80/x
  3. Step 3: Cross multiply
    608,077.80x = 912,116.70 × 497,485.80
  4. Step 4: Simplify right side
    608,077.80x = 453,765,106,192.86
  5. Step 5: Solve for x
    x = 453,765,106,192.86/608,077.80
  6. Step 6: Final answer
    x = 746,228.70

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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.