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Finding the Fourth Proportional to 592,957.32, 818,280.09 and 321,025.11

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Solution

The fourth proportional to 592,957.32, 818,280.09 and 321,025.11 is: 443,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,957.32 : 818,280.09 = 321,025.11 : x
  2. Step 2: Convert to fraction form
    592,957.32/818,280.09 = 321,025.11/x
  3. Step 3: Cross multiply
    592,957.32x = 818,280.09 × 321,025.11
  4. Step 4: Simplify right side
    592,957.32x = 262,688,455,903.06
  5. Step 5: Solve for x
    x = 262,688,455,903.06/592,957.32
  6. Step 6: Final answer
    x = 443,014.10

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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.