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Finding the Fourth Proportional to 607,634.60, 910,868.70 and 472,623.80

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Solution

The fourth proportional to 607,634.60, 910,868.70 and 472,623.80 is: 708,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,634.60 : 910,868.70 = 472,623.80 : x
  2. Step 2: Convert to fraction form
    607,634.60/910,868.70 = 472,623.80/x
  3. Step 3: Cross multiply
    607,634.60x = 910,868.70 × 472,623.80
  4. Step 4: Simplify right side
    607,634.60x = 430,498,226,295.06
  5. Step 5: Solve for x
    x = 430,498,226,295.06/607,634.60
  6. Step 6: Final answer
    x = 708,482.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.