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Finding the Fourth Proportional to 656,437.51, 905,536.56 and 452,137.06

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Solution

The fourth proportional to 656,437.51, 905,536.56 and 452,137.06 is: 623,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,437.51 : 905,536.56 = 452,137.06 : x
  2. Step 2: Convert to fraction form
    656,437.51/905,536.56 = 452,137.06/x
  3. Step 3: Cross multiply
    656,437.51x = 905,536.56 × 452,137.06
  4. Step 4: Simplify right side
    656,437.51x = 409,426,637,960.91
  5. Step 5: Solve for x
    x = 409,426,637,960.91/656,437.51
  6. Step 6: Final answer
    x = 623,710.00

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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.