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Finding the Fourth Proportional to 536,448.60, 740,312.10 and 294,746.82

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Solution

The fourth proportional to 536,448.60, 740,312.10 and 294,746.82 is: 406,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,448.60 : 740,312.10 = 294,746.82 : x
  2. Step 2: Convert to fraction form
    536,448.60/740,312.10 = 294,746.82/x
  3. Step 3: Cross multiply
    536,448.60x = 740,312.10 × 294,746.82
  4. Step 4: Simplify right side
    536,448.60x = 218,204,637,282.52
  5. Step 5: Solve for x
    x = 218,204,637,282.52/536,448.60
  6. Step 6: Final answer
    x = 406,757.77

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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.