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Finding the Fourth Proportional to 609,547.60, 913,446.60 and 448,365.70

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Solution

The fourth proportional to 609,547.60, 913,446.60 and 448,365.70 is: 671,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,547.60 : 913,446.60 = 448,365.70 : x
  2. Step 2: Convert to fraction form
    609,547.60/913,446.60 = 448,365.70/x
  3. Step 3: Cross multiply
    609,547.60x = 913,446.60 × 448,365.70
  4. Step 4: Simplify right side
    609,547.60x = 409,558,124,221.62
  5. Step 5: Solve for x
    x = 409,558,124,221.62/609,547.60
  6. Step 6: Final answer
    x = 671,905.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.