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Finding the Fourth Proportional to 632,885.16, 873,380.05 and 346,402.74

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Solution

The fourth proportional to 632,885.16, 873,380.05 and 346,402.74 is: 478,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,885.16 : 873,380.05 = 346,402.74 : x
  2. Step 2: Convert to fraction form
    632,885.16/873,380.05 = 346,402.74/x
  3. Step 3: Cross multiply
    632,885.16x = 873,380.05 × 346,402.74
  4. Step 4: Simplify right side
    632,885.16x = 302,541,242,381.34
  5. Step 5: Solve for x
    x = 302,541,242,381.34/632,885.16
  6. Step 6: Final answer
    x = 478,034.98

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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.