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Finding the Fourth Proportional to 583,406.80, 875,801.40 and 579,259.60

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Solution

The fourth proportional to 583,406.80, 875,801.40 and 579,259.60 is: 869,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,406.80 : 875,801.40 = 579,259.60 : x
  2. Step 2: Convert to fraction form
    583,406.80/875,801.40 = 579,259.60/x
  3. Step 3: Cross multiply
    583,406.80x = 875,801.40 × 579,259.60
  4. Step 4: Simplify right side
    583,406.80x = 507,316,368,643.44
  5. Step 5: Solve for x
    x = 507,316,368,643.44/583,406.80
  6. Step 6: Final answer
    x = 869,575.69

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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.