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Finding the Fourth Proportional to 662,319.66, 993,488.82 and 189,005.07

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Solution

The fourth proportional to 662,319.66, 993,488.82 and 189,005.07 is: 283,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,319.66 : 993,488.82 = 189,005.07 : x
  2. Step 2: Convert to fraction form
    662,319.66/993,488.82 = 189,005.07/x
  3. Step 3: Cross multiply
    662,319.66x = 993,488.82 × 189,005.07
  4. Step 4: Simplify right side
    662,319.66x = 187,774,423,968.32
  5. Step 5: Solve for x
    x = 187,774,423,968.32/662,319.66
  6. Step 6: Final answer
    x = 283,510.27

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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.