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Finding the Fourth Proportional to 595,424.70, 821,681.65 and 323,494.83

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Solution

The fourth proportional to 595,424.70, 821,681.65 and 323,494.83 is: 446,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,424.70 : 821,681.65 = 323,494.83 : x
  2. Step 2: Convert to fraction form
    595,424.70/821,681.65 = 323,494.83/x
  3. Step 3: Cross multiply
    595,424.70x = 821,681.65 × 323,494.83
  4. Step 4: Simplify right side
    595,424.70x = 265,809,761,572.46
  5. Step 5: Solve for x
    x = 265,809,761,572.46/595,424.70
  6. Step 6: Final answer
    x = 446,420.45

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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.