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Finding the Fourth Proportional to 559,308.70, 838,963.05 and 185,283.10

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Solution

The fourth proportional to 559,308.70, 838,963.05 and 185,283.10 is: 277,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,308.70 : 838,963.05 = 185,283.10 : x
  2. Step 2: Convert to fraction form
    559,308.70/838,963.05 = 185,283.10/x
  3. Step 3: Cross multiply
    559,308.70x = 838,963.05 × 185,283.10
  4. Step 4: Simplify right side
    559,308.70x = 155,445,674,689.46
  5. Step 5: Solve for x
    x = 155,445,674,689.46/559,308.70
  6. Step 6: Final answer
    x = 277,924.65

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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.