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Finding the Fourth Proportional to 535,226.51, 738,613.55 and 293,510.81

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Solution

The fourth proportional to 535,226.51, 738,613.55 and 293,510.81 is: 405,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,226.51 : 738,613.55 = 293,510.81 : x
  2. Step 2: Convert to fraction form
    535,226.51/738,613.55 = 293,510.81/x
  3. Step 3: Cross multiply
    535,226.51x = 738,613.55 × 293,510.81
  4. Step 4: Simplify right side
    535,226.51x = 216,791,062,817.12
  5. Step 5: Solve for x
    x = 216,791,062,817.12/535,226.51
  6. Step 6: Final answer
    x = 405,045.45

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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.