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Finding the Fourth Proportional to 589,117.60, 883,676.40 and 508,938.40

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Solution

The fourth proportional to 589,117.60, 883,676.40 and 508,938.40 is: 763,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,117.60 : 883,676.40 = 508,938.40 : x
  2. Step 2: Convert to fraction form
    589,117.60/883,676.40 = 508,938.40/x
  3. Step 3: Cross multiply
    589,117.60x = 883,676.40 × 508,938.40
  4. Step 4: Simplify right side
    589,117.60x = 449,736,853,133.76
  5. Step 5: Solve for x
    x = 449,736,853,133.76/589,117.60
  6. Step 6: Final answer
    x = 763,407.60

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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.