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Finding the Fourth Proportional to 623,999.70, 935,999.55 and 224,702.10

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Solution

The fourth proportional to 623,999.70, 935,999.55 and 224,702.10 is: 337,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,999.70 : 935,999.55 = 224,702.10 : x
  2. Step 2: Convert to fraction form
    623,999.70/935,999.55 = 224,702.10/x
  3. Step 3: Cross multiply
    623,999.70x = 935,999.55 × 224,702.10
  4. Step 4: Simplify right side
    623,999.70x = 210,321,064,484.06
  5. Step 5: Solve for x
    x = 210,321,064,484.06/623,999.70
  6. Step 6: Final answer
    x = 337,053.15

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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.