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Finding the Fourth Proportional to 529,762.80, 795,081.60 and 245,890.20

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Solution

The fourth proportional to 529,762.80, 795,081.60 and 245,890.20 is: 369,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,762.80 : 795,081.60 = 245,890.20 : x
  2. Step 2: Convert to fraction form
    529,762.80/795,081.60 = 245,890.20/x
  3. Step 3: Cross multiply
    529,762.80x = 795,081.60 × 245,890.20
  4. Step 4: Simplify right side
    529,762.80x = 195,502,773,640.32
  5. Step 5: Solve for x
    x = 195,502,773,640.32/529,762.80
  6. Step 6: Final answer
    x = 369,038.32

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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.