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Finding the Fourth Proportional to 495,633.80, 743,450.70 and 470,045.90

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Solution

The fourth proportional to 495,633.80, 743,450.70 and 470,045.90 is: 705,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,633.80 : 743,450.70 = 470,045.90 : x
  2. Step 2: Convert to fraction form
    495,633.80/743,450.70 = 470,045.90/x
  3. Step 3: Cross multiply
    495,633.80x = 743,450.70 × 470,045.90
  4. Step 4: Simplify right side
    495,633.80x = 349,455,953,387.13
  5. Step 5: Solve for x
    x = 349,455,953,387.13/495,633.80
  6. Step 6: Final answer
    x = 705,068.85

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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.