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Finding the Fourth Proportional to 583,984.40, 875,976.60 and 580,047.80

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Solution

The fourth proportional to 583,984.40, 875,976.60 and 580,047.80 is: 870,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,984.40 : 875,976.60 = 580,047.80 : x
  2. Step 2: Convert to fraction form
    583,984.40/875,976.60 = 580,047.80/x
  3. Step 3: Cross multiply
    583,984.40x = 875,976.60 × 580,047.80
  4. Step 4: Simplify right side
    583,984.40x = 508,108,299,681.48
  5. Step 5: Solve for x
    x = 508,108,299,681.48/583,984.40
  6. Step 6: Final answer
    x = 870,071.70

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Double scale
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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.