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Finding the Fourth Proportional to 768,700.24, 1,060,736.52 and 429,106

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Solution

The fourth proportional to 768,700.24, 1,060,736.52 and 429,106 is: 592,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,700.24 : 1,060,736.52 = 429,106 : x
  2. Step 2: Convert to fraction form
    768,700.24/1,060,736.52 = 429,106/x
  3. Step 3: Cross multiply
    768,700.24x = 1,060,736.52 × 429,106
  4. Step 4: Simplify right side
    768,700.24x = 455,168,405,151.12
  5. Step 5: Solve for x
    x = 455,168,405,151.12/768,700.24
  6. Step 6: Final answer
    x = 592,127.31

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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.