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Finding the Fourth Proportional to 402,799.98, 604,199.98 and 191,798.22

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Solution

The fourth proportional to 402,799.98, 604,199.98 and 191,798.22 is: 287,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,799.98 : 604,199.98 = 191,798.22 : x
  2. Step 2: Convert to fraction form
    402,799.98/604,199.98 = 191,798.22/x
  3. Step 3: Cross multiply
    402,799.98x = 604,199.98 × 191,798.22
  4. Step 4: Simplify right side
    402,799.98x = 115,884,483,193.53
  5. Step 5: Solve for x
    x = 115,884,483,193.53/402,799.98
  6. Step 6: Final answer
    x = 287,697.34

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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.