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Finding the Fourth Proportional to 583,916.60, 875,903.70 and 303,980.60

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Solution

The fourth proportional to 583,916.60, 875,903.70 and 303,980.60 is: 455,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,916.60 : 875,903.70 = 303,980.60 : x
  2. Step 2: Convert to fraction form
    583,916.60/875,903.70 = 303,980.60/x
  3. Step 3: Cross multiply
    583,916.60x = 875,903.70 × 303,980.60
  4. Step 4: Simplify right side
    583,916.60x = 266,257,732,268.22
  5. Step 5: Solve for x
    x = 266,257,732,268.22/583,916.60
  6. Step 6: Final answer
    x = 455,985.89

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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.