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Finding the Fourth Proportional to 507,782.66, 700,331.48 and 446,397.60

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Solution

The fourth proportional to 507,782.66, 700,331.48 and 446,397.60 is: 615,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,782.66 : 700,331.48 = 446,397.60 : x
  2. Step 2: Convert to fraction form
    507,782.66/700,331.48 = 446,397.60/x
  3. Step 3: Cross multiply
    507,782.66x = 700,331.48 × 446,397.60
  4. Step 4: Simplify right side
    507,782.66x = 312,626,291,876.45
  5. Step 5: Solve for x
    x = 312,626,291,876.45/507,782.66
  6. Step 6: Final answer
    x = 615,669.49

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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.