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Finding the Fourth Proportional to 429,597.78, 592,779.04 and 248,274.70

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Solution

The fourth proportional to 429,597.78, 592,779.04 and 248,274.70 is: 342,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,597.78 : 592,779.04 = 248,274.70 : x
  2. Step 2: Convert to fraction form
    429,597.78/592,779.04 = 248,274.70/x
  3. Step 3: Cross multiply
    429,597.78x = 592,779.04 × 248,274.70
  4. Step 4: Simplify right side
    429,597.78x = 147,172,038,322.29
  5. Step 5: Solve for x
    x = 147,172,038,322.29/429,597.78
  6. Step 6: Final answer
    x = 342,581.00

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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.