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Finding the Fourth Proportional to 607,811.40, 910,404.90 and 502,835.40

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Solution

The fourth proportional to 607,811.40, 910,404.90 and 502,835.40 is: 753,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,811.40 : 910,404.90 = 502,835.40 : x
  2. Step 2: Convert to fraction form
    607,811.40/910,404.90 = 502,835.40/x
  3. Step 3: Cross multiply
    607,811.40x = 910,404.90 × 502,835.40
  4. Step 4: Simplify right side
    607,811.40x = 457,783,812,053.46
  5. Step 5: Solve for x
    x = 457,783,812,053.46/607,811.40
  6. Step 6: Final answer
    x = 753,167.53

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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.