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Finding the Fourth Proportional to 872,302.60, 1,308,482.94 and 241,221.64

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Solution

The fourth proportional to 872,302.60, 1,308,482.94 and 241,221.64 is: 361,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,302.60 : 1,308,482.94 = 241,221.64 : x
  2. Step 2: Convert to fraction form
    872,302.60/1,308,482.94 = 241,221.64/x
  3. Step 3: Cross multiply
    872,302.60x = 1,308,482.94 × 241,221.64
  4. Step 4: Simplify right side
    872,302.60x = 315,634,400,698.82
  5. Step 5: Solve for x
    x = 315,634,400,698.82/872,302.60
  6. Step 6: Final answer
    x = 361,840.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.