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Finding the Fourth Proportional to 472,810.32, 652,477.50 and 257,950.31

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Solution

The fourth proportional to 472,810.32, 652,477.50 and 257,950.31 is: 355,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,810.32 : 652,477.50 = 257,950.31 : x
  2. Step 2: Convert to fraction form
    472,810.32/652,477.50 = 257,950.31/x
  3. Step 3: Cross multiply
    472,810.32x = 652,477.50 × 257,950.31
  4. Step 4: Simplify right side
    472,810.32x = 168,306,770,130.64
  5. Step 5: Solve for x
    x = 168,306,770,130.64/472,810.32
  6. Step 6: Final answer
    x = 355,971.02

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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.