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Finding the Fourth Proportional to 529,277.67, 730,242.29 and 299,798.51

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Solution

The fourth proportional to 529,277.67, 730,242.29 and 299,798.51 is: 413,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,277.67 : 730,242.29 = 299,798.51 : x
  2. Step 2: Convert to fraction form
    529,277.67/730,242.29 = 299,798.51/x
  3. Step 3: Cross multiply
    529,277.67x = 730,242.29 × 299,798.51
  4. Step 4: Simplify right side
    529,277.67x = 218,925,545,330.78
  5. Step 5: Solve for x
    x = 218,925,545,330.78/529,277.67
  6. Step 6: Final answer
    x = 413,630.80

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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.