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Finding the Fourth Proportional to 633,365.46, 874,011.60 and 346,830.26

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Solution

The fourth proportional to 633,365.46, 874,011.60 and 346,830.26 is: 478,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,365.46 : 874,011.60 = 346,830.26 : x
  2. Step 2: Convert to fraction form
    633,365.46/874,011.60 = 346,830.26/x
  3. Step 3: Cross multiply
    633,365.46x = 874,011.60 × 346,830.26
  4. Step 4: Simplify right side
    633,365.46x = 303,133,666,100.96
  5. Step 5: Solve for x
    x = 303,133,666,100.96/633,365.46
  6. Step 6: Final answer
    x = 478,607.83

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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.