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Finding the Fourth Proportional to 462,485.60, 692,950.80 and 383,170.40

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Solution

The fourth proportional to 462,485.60, 692,950.80 and 383,170.40 is: 574,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,485.60 : 692,950.80 = 383,170.40 : x
  2. Step 2: Convert to fraction form
    462,485.60/692,950.80 = 383,170.40/x
  3. Step 3: Cross multiply
    462,485.60x = 692,950.80 × 383,170.40
  4. Step 4: Simplify right side
    462,485.60x = 265,518,235,216.32
  5. Step 5: Solve for x
    x = 265,518,235,216.32/462,485.60
  6. Step 6: Final answer
    x = 574,111.36

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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.