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Finding the Fourth Proportional to 702,073.47, 968,866.11 and 430,141.89

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Solution

The fourth proportional to 702,073.47, 968,866.11 and 430,141.89 is: 593,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,073.47 : 968,866.11 = 430,141.89 : x
  2. Step 2: Convert to fraction form
    702,073.47/968,866.11 = 430,141.89/x
  3. Step 3: Cross multiply
    702,073.47x = 968,866.11 × 430,141.89
  4. Step 4: Simplify right side
    702,073.47x = 416,749,899,712.35
  5. Step 5: Solve for x
    x = 416,749,899,712.35/702,073.47
  6. Step 6: Final answer
    x = 593,598.70

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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.