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Finding the Fourth Proportional to 604,881.75, 907,322.63 and 210,897.75

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Solution

The fourth proportional to 604,881.75, 907,322.63 and 210,897.75 is: 316,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,881.75 : 907,322.63 = 210,897.75 : x
  2. Step 2: Convert to fraction form
    604,881.75/907,322.63 = 210,897.75/x
  3. Step 3: Cross multiply
    604,881.75x = 907,322.63 × 210,897.75
  4. Step 4: Simplify right side
    604,881.75x = 191,352,301,191.08
  5. Step 5: Solve for x
    x = 191,352,301,191.08/604,881.75
  6. Step 6: Final answer
    x = 316,346.63

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Similar ratio
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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.