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Finding the Fourth Proportional to 670,525.60, 1,006,954.80 and 355,597.60

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Solution

The fourth proportional to 670,525.60, 1,006,954.80 and 355,597.60 is: 534,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,525.60 : 1,006,954.80 = 355,597.60 : x
  2. Step 2: Convert to fraction form
    670,525.60/1,006,954.80 = 355,597.60/x
  3. Step 3: Cross multiply
    670,525.60x = 1,006,954.80 × 355,597.60
  4. Step 4: Simplify right side
    670,525.60x = 358,070,710,188.48
  5. Step 5: Solve for x
    x = 358,070,710,188.48/670,525.60
  6. Step 6: Final answer
    x = 534,014.97

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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.