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Finding the Fourth Proportional to 575,875.76, 794,280.12 and 422,865.92

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Solution

The fourth proportional to 575,875.76, 794,280.12 and 422,865.92 is: 583,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,875.76 : 794,280.12 = 422,865.92 : x
  2. Step 2: Convert to fraction form
    575,875.76/794,280.12 = 422,865.92/x
  3. Step 3: Cross multiply
    575,875.76x = 794,280.12 × 422,865.92
  4. Step 4: Simplify right side
    575,875.76x = 335,873,993,681.51
  5. Step 5: Solve for x
    x = 335,873,993,681.51/575,875.76
  6. Step 6: Final answer
    x = 583,240.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.