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Finding the Fourth Proportional to 633,357.50, 874,042.86 and 346,904.30

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Solution

The fourth proportional to 633,357.50, 874,042.86 and 346,904.30 is: 478,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,357.50 : 874,042.86 = 346,904.30 : x
  2. Step 2: Convert to fraction form
    633,357.50/874,042.86 = 346,904.30/x
  3. Step 3: Cross multiply
    633,357.50x = 874,042.86 × 346,904.30
  4. Step 4: Simplify right side
    633,357.50x = 303,209,226,518.30
  5. Step 5: Solve for x
    x = 303,209,226,518.30/633,357.50
  6. Step 6: Final answer
    x = 478,733.14

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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.