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Finding the Fourth Proportional to 633,092.76, 873,667.59 and 346,612.77

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Solution

The fourth proportional to 633,092.76, 873,667.59 and 346,612.77 is: 478,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,092.76 : 873,667.59 = 346,612.77 : x
  2. Step 2: Convert to fraction form
    633,092.76/873,667.59 = 346,612.77/x
  3. Step 3: Cross multiply
    633,092.76x = 873,667.59 × 346,612.77
  4. Step 4: Simplify right side
    633,092.76x = 302,824,343,429.12
  5. Step 5: Solve for x
    x = 302,824,343,429.12/633,092.76
  6. Step 6: Final answer
    x = 478,325.39

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Double scale
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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.