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Finding the Fourth Proportional to 474,000.40, 653,543.40 and 446,525.20

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Solution

The fourth proportional to 474,000.40, 653,543.40 and 446,525.20 is: 615,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,000.40 : 653,543.40 = 446,525.20 : x
  2. Step 2: Convert to fraction form
    474,000.40/653,543.40 = 446,525.20/x
  3. Step 3: Cross multiply
    474,000.40x = 653,543.40 × 446,525.20
  4. Step 4: Simplify right side
    474,000.40x = 291,823,597,393.68
  5. Step 5: Solve for x
    x = 291,823,597,393.68/474,000.40
  6. Step 6: Final answer
    x = 615,661.08

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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.