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Finding the Fourth Proportional to 472,184.37, 651,595.47 and 257,319.81

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Solution

The fourth proportional to 472,184.37, 651,595.47 and 257,319.81 is: 355,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,184.37 : 651,595.47 = 257,319.81 : x
  2. Step 2: Convert to fraction form
    472,184.37/651,595.47 = 257,319.81/x
  3. Step 3: Cross multiply
    472,184.37x = 651,595.47 × 257,319.81
  4. Step 4: Simplify right side
    472,184.37x = 167,668,422,537.26
  5. Step 5: Solve for x
    x = 167,668,422,537.26/472,184.37
  6. Step 6: Final answer
    x = 355,091.01

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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.