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Finding the Fourth Proportional to 536,442.57, 740,303.79 and 294,740.82

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Solution

The fourth proportional to 536,442.57, 740,303.79 and 294,740.82 is: 406,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,442.57 : 740,303.79 = 294,740.82 : x
  2. Step 2: Convert to fraction form
    536,442.57/740,303.79 = 294,740.82/x
  3. Step 3: Cross multiply
    536,442.57x = 740,303.79 × 294,740.82
  4. Step 4: Simplify right side
    536,442.57x = 218,197,746,113.71
  5. Step 5: Solve for x
    x = 218,197,746,113.71/536,442.57
  6. Step 6: Final answer
    x = 406,749.50

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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.