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Finding the Fourth Proportional to 662,347.35, 993,522.05 and 189,032.71

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Solution

The fourth proportional to 662,347.35, 993,522.05 and 189,032.71 is: 283,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,347.35 : 993,522.05 = 189,032.71 : x
  2. Step 2: Convert to fraction form
    662,347.35/993,522.05 = 189,032.71/x
  3. Step 3: Cross multiply
    662,347.35x = 993,522.05 × 189,032.71
  4. Step 4: Simplify right side
    662,347.35x = 187,808,159,643.48
  5. Step 5: Solve for x
    x = 187,808,159,643.48/662,347.35
  6. Step 6: Final answer
    x = 283,549.35

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Double scale
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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.