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Finding the Fourth Proportional to 403,740.90, 604,444.95 and 246,276.90

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Solution

The fourth proportional to 403,740.90, 604,444.95 and 246,276.90 is: 368,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,740.90 : 604,444.95 = 246,276.90 : x
  2. Step 2: Convert to fraction form
    403,740.90/604,444.95 = 246,276.90/x
  3. Step 3: Cross multiply
    403,740.90x = 604,444.95 × 246,276.90
  4. Step 4: Simplify right side
    403,740.90x = 148,860,828,506.66
  5. Step 5: Solve for x
    x = 148,860,828,506.66/403,740.90
  6. Step 6: Final answer
    x = 368,703.86

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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.