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Finding the Fourth Proportional to 575,756.64, 794,545.56 and 321,124.32

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Solution

The fourth proportional to 575,756.64, 794,545.56 and 321,124.32 is: 443,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,756.64 : 794,545.56 = 321,124.32 : x
  2. Step 2: Convert to fraction form
    575,756.64/794,545.56 = 321,124.32/x
  3. Step 3: Cross multiply
    575,756.64x = 794,545.56 × 321,124.32
  4. Step 4: Simplify right side
    575,756.64x = 255,147,902,664.02
  5. Step 5: Solve for x
    x = 255,147,902,664.02/575,756.64
  6. Step 6: Final answer
    x = 443,152.34

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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.