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Finding the Fourth Proportional to 626,335.14, 864,566.64 and 371,686.32

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Solution

The fourth proportional to 626,335.14, 864,566.64 and 371,686.32 is: 513,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,335.14 : 864,566.64 = 371,686.32 : x
  2. Step 2: Convert to fraction form
    626,335.14/864,566.64 = 371,686.32/x
  3. Step 3: Cross multiply
    626,335.14x = 864,566.64 × 371,686.32
  4. Step 4: Simplify right side
    626,335.14x = 321,347,592,816.37
  5. Step 5: Solve for x
    x = 321,347,592,816.37/626,335.14
  6. Step 6: Final answer
    x = 513,060.14

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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.