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Finding the Fourth Proportional to 529,798.32, 731,281.77 and 360,130.86

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Solution

The fourth proportional to 529,798.32, 731,281.77 and 360,130.86 is: 497,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,798.32 : 731,281.77 = 360,130.86 : x
  2. Step 2: Convert to fraction form
    529,798.32/731,281.77 = 360,130.86/x
  3. Step 3: Cross multiply
    529,798.32x = 731,281.77 × 360,130.86
  4. Step 4: Simplify right side
    529,798.32x = 263,357,132,732.42
  5. Step 5: Solve for x
    x = 263,357,132,732.42/529,798.32
  6. Step 6: Final answer
    x = 497,089.41

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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.