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Finding the Fourth Proportional to 534,410.70, 737,458.64 and 292,688.12

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Solution

The fourth proportional to 534,410.70, 737,458.64 and 292,688.12 is: 403,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,410.70 : 737,458.64 = 292,688.12 : x
  2. Step 2: Convert to fraction form
    534,410.70/737,458.64 = 292,688.12/x
  3. Step 3: Cross multiply
    534,410.70x = 737,458.64 × 292,688.12
  4. Step 4: Simplify right side
    534,410.70x = 215,845,386,043.51
  5. Step 5: Solve for x
    x = 215,845,386,043.51/534,410.70
  6. Step 6: Final answer
    x = 403,894.21

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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.