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Finding the Fourth Proportional to 526,599.36, 788,907.60 and 260,048.88

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Solution

The fourth proportional to 526,599.36, 788,907.60 and 260,048.88 is: 389,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,599.36 : 788,907.60 = 260,048.88 : x
  2. Step 2: Convert to fraction form
    526,599.36/788,907.60 = 260,048.88/x
  3. Step 3: Cross multiply
    526,599.36x = 788,907.60 × 260,048.88
  4. Step 4: Simplify right side
    526,599.36x = 205,154,537,803.49
  5. Step 5: Solve for x
    x = 205,154,537,803.49/526,599.36
  6. Step 6: Final answer
    x = 389,583.72

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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.