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Finding the Fourth Proportional to 472,501.37, 652,037.63 and 257,645.63

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Solution

The fourth proportional to 472,501.37, 652,037.63 and 257,645.63 is: 355,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,501.37 : 652,037.63 = 257,645.63 : x
  2. Step 2: Convert to fraction form
    472,501.37/652,037.63 = 257,645.63/x
  3. Step 3: Cross multiply
    472,501.37x = 652,037.63 × 257,645.63
  4. Step 4: Simplify right side
    472,501.37x = 167,994,641,416.64
  5. Step 5: Solve for x
    x = 167,994,641,416.64/472,501.37
  6. Step 6: Final answer
    x = 355,543.19

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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.