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Finding the Fourth Proportional to 602,916.40, 904,374.60 and 548,678.80

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Solution

The fourth proportional to 602,916.40, 904,374.60 and 548,678.80 is: 823,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,916.40 : 904,374.60 = 548,678.80 : x
  2. Step 2: Convert to fraction form
    602,916.40/904,374.60 = 548,678.80/x
  3. Step 3: Cross multiply
    602,916.40x = 904,374.60 × 548,678.80
  4. Step 4: Simplify right side
    602,916.40x = 496,211,170,278.48
  5. Step 5: Solve for x
    x = 496,211,170,278.48/602,916.40
  6. Step 6: Final answer
    x = 823,018.20

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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.