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Finding the Fourth Proportional to 515,063.40, 772,595.10 and 337,673.40

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Solution

The fourth proportional to 515,063.40, 772,595.10 and 337,673.40 is: 506,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,063.40 : 772,595.10 = 337,673.40 : x
  2. Step 2: Convert to fraction form
    515,063.40/772,595.10 = 337,673.40/x
  3. Step 3: Cross multiply
    515,063.40x = 772,595.10 × 337,673.40
  4. Step 4: Simplify right side
    515,063.40x = 260,884,814,240.34
  5. Step 5: Solve for x
    x = 260,884,814,240.34/515,063.40
  6. Step 6: Final answer
    x = 506,510.10

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Similar ratio
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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.