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Finding the Fourth Proportional to 519,068.16, 778,602.24 and 203,673.60

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Solution

The fourth proportional to 519,068.16, 778,602.24 and 203,673.60 is: 305,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,068.16 : 778,602.24 = 203,673.60 : x
  2. Step 2: Convert to fraction form
    519,068.16/778,602.24 = 203,673.60/x
  3. Step 3: Cross multiply
    519,068.16x = 778,602.24 × 203,673.60
  4. Step 4: Simplify right side
    519,068.16x = 158,580,721,188.86
  5. Step 5: Solve for x
    x = 158,580,721,188.86/519,068.16
  6. Step 6: Final answer
    x = 305,510.40

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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.