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Finding the Fourth Proportional to 623,880.90, 935,821.49 and 174,667.93

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Solution

The fourth proportional to 623,880.90, 935,821.49 and 174,667.93 is: 262,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,880.90 : 935,821.49 = 174,667.93 : x
  2. Step 2: Convert to fraction form
    623,880.90/935,821.49 = 174,667.93/x
  3. Step 3: Cross multiply
    623,880.90x = 935,821.49 × 174,667.93
  4. Step 4: Simplify right side
    623,880.90x = 163,457,999,294.92
  5. Step 5: Solve for x
    x = 163,457,999,294.92/623,880.90
  6. Step 6: Final answer
    x = 262,001.93

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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.