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Finding the Fourth Proportional to 536,320.98, 740,127.72 and 294,608.46

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Solution

The fourth proportional to 536,320.98, 740,127.72 and 294,608.46 is: 406,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,320.98 : 740,127.72 = 294,608.46 : x
  2. Step 2: Convert to fraction form
    536,320.98/740,127.72 = 294,608.46/x
  3. Step 3: Cross multiply
    536,320.98x = 740,127.72 × 294,608.46
  4. Step 4: Simplify right side
    536,320.98x = 218,047,887,792.51
  5. Step 5: Solve for x
    x = 218,047,887,792.51/536,320.98
  6. Step 6: Final answer
    x = 406,562.29

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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.