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Finding the Fourth Proportional to 532,907.46, 735,403.55 and 291,184.83

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Solution

The fourth proportional to 532,907.46, 735,403.55 and 291,184.83 is: 401,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,907.46 : 735,403.55 = 291,184.83 : x
  2. Step 2: Convert to fraction form
    532,907.46/735,403.55 = 291,184.83/x
  3. Step 3: Cross multiply
    532,907.46x = 735,403.55 × 291,184.83
  4. Step 4: Simplify right side
    532,907.46x = 214,138,356,232.22
  5. Step 5: Solve for x
    x = 214,138,356,232.22/532,907.46
  6. Step 6: Final answer
    x = 401,830.28

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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.