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Finding the Fourth Proportional to 583,803.44, 875,713.80 and 385,394.48

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Solution

The fourth proportional to 583,803.44, 875,713.80 and 385,394.48 is: 578,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,803.44 : 875,713.80 = 385,394.48 : x
  2. Step 2: Convert to fraction form
    583,803.44/875,713.80 = 385,394.48/x
  3. Step 3: Cross multiply
    583,803.44x = 875,713.80 × 385,394.48
  4. Step 4: Simplify right side
    583,803.44x = 337,495,264,579.82
  5. Step 5: Solve for x
    x = 337,495,264,579.82/583,803.44
  6. Step 6: Final answer
    x = 578,097.42

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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.