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Finding the Fourth Proportional to 652,615.93, 900,775.52 and 445,968.01

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Solution

The fourth proportional to 652,615.93, 900,775.52 and 445,968.01 is: 615,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,615.93 : 900,775.52 = 445,968.01 : x
  2. Step 2: Convert to fraction form
    652,615.93/900,775.52 = 445,968.01/x
  3. Step 3: Cross multiply
    652,615.93x = 900,775.52 × 445,968.01
  4. Step 4: Simplify right side
    652,615.93x = 401,717,066,111.12
  5. Step 5: Solve for x
    x = 401,717,066,111.12/652,615.93
  6. Step 6: Final answer
    x = 615,548.97

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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.