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Finding the Fourth Proportional to 475,360.01, 656,001.98 and 260,495.45

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Solution

The fourth proportional to 475,360.01, 656,001.98 and 260,495.45 is: 359,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,360.01 : 656,001.98 = 260,495.45 : x
  2. Step 2: Convert to fraction form
    475,360.01/656,001.98 = 260,495.45/x
  3. Step 3: Cross multiply
    475,360.01x = 656,001.98 × 260,495.45
  4. Step 4: Simplify right side
    475,360.01x = 170,885,530,980.99
  5. Step 5: Solve for x
    x = 170,885,530,980.99/475,360.01
  6. Step 6: Final answer
    x = 359,486.55

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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.