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Finding the Fourth Proportional to 526,901.60, 788,048.40 and 471,144.80

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Solution

The fourth proportional to 526,901.60, 788,048.40 and 471,144.80 is: 704,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.60 : 788,048.40 = 471,144.80 : x
  2. Step 2: Convert to fraction form
    526,901.60/788,048.40 = 471,144.80/x
  3. Step 3: Cross multiply
    526,901.60x = 788,048.40 × 471,144.80
  4. Step 4: Simplify right side
    526,901.60x = 371,284,905,808.32
  5. Step 5: Solve for x
    x = 371,284,905,808.32/526,901.60
  6. Step 6: Final answer
    x = 704,657.01

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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.