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Finding the Fourth Proportional to 583,411.60, 875,117.40 and 140,179.60

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Solution

The fourth proportional to 583,411.60, 875,117.40 and 140,179.60 is: 210,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,411.60 : 875,117.40 = 140,179.60 : x
  2. Step 2: Convert to fraction form
    583,411.60/875,117.40 = 140,179.60/x
  3. Step 3: Cross multiply
    583,411.60x = 875,117.40 × 140,179.60
  4. Step 4: Simplify right side
    583,411.60x = 122,673,607,085.04
  5. Step 5: Solve for x
    x = 122,673,607,085.04/583,411.60
  6. Step 6: Final answer
    x = 210,269.40

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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.