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Finding the Fourth Proportional to 623,521.44, 860,459.40 and 337,041.36

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Solution

The fourth proportional to 623,521.44, 860,459.40 and 337,041.36 is: 465,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,521.44 : 860,459.40 = 337,041.36 : x
  2. Step 2: Convert to fraction form
    623,521.44/860,459.40 = 337,041.36/x
  3. Step 3: Cross multiply
    623,521.44x = 860,459.40 × 337,041.36
  4. Step 4: Simplify right side
    623,521.44x = 290,010,406,400.78
  5. Step 5: Solve for x
    x = 290,010,406,400.78/623,521.44
  6. Step 6: Final answer
    x = 465,116.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.