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Finding the Fourth Proportional to 529,036.59, 730,115.53 and 299,634.69

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Solution

The fourth proportional to 529,036.59, 730,115.53 and 299,634.69 is: 413,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,036.59 : 730,115.53 = 299,634.69 : x
  2. Step 2: Convert to fraction form
    529,036.59/730,115.53 = 299,634.69/x
  3. Step 3: Cross multiply
    529,036.59x = 730,115.53 × 299,634.69
  4. Step 4: Simplify right side
    529,036.59x = 218,767,939,746.65
  5. Step 5: Solve for x
    x = 218,767,939,746.65/529,036.59
  6. Step 6: Final answer
    x = 413,521.38

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1.5x scale

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.