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Finding the Fourth Proportional to 707,125.74, 975,155.11 and 475,076.94

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Solution

The fourth proportional to 707,125.74, 975,155.11 and 475,076.94 is: 655,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,125.74 : 975,155.11 = 475,076.94 : x
  2. Step 2: Convert to fraction form
    707,125.74/975,155.11 = 475,076.94/x
  3. Step 3: Cross multiply
    707,125.74x = 975,155.11 × 475,076.94
  4. Step 4: Simplify right side
    707,125.74x = 463,273,705,684.16
  5. Step 5: Solve for x
    x = 463,273,705,684.16/707,125.74
  6. Step 6: Final answer
    x = 655,150.39

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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.