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Finding the Fourth Proportional to 632,980.19, 873,522.30 and 346,526.93

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Solution

The fourth proportional to 632,980.19, 873,522.30 and 346,526.93 is: 478,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,980.19 : 873,522.30 = 346,526.93 : x
  2. Step 2: Convert to fraction form
    632,980.19/873,522.30 = 346,526.93/x
  3. Step 3: Cross multiply
    632,980.19x = 873,522.30 × 346,526.93
  4. Step 4: Simplify right side
    632,980.19x = 302,699,000,905.54
  5. Step 5: Solve for x
    x = 302,699,000,905.54/632,980.19
  6. Step 6: Final answer
    x = 478,212.44

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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.