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Finding the Fourth Proportional to 507,974,133.70, 761,961,200.55 and 507,974,133.70

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Solution

The fourth proportional to 507,974,133.70, 761,961,200.55 and 507,974,133.70 is: 761,961,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,974,133.70 : 761,961,200.55 = 507,974,133.70 : x
  2. Step 2: Convert to fraction form
    507,974,133.70/761,961,200.55 = 507,974,133.70/x
  3. Step 3: Cross multiply
    507,974,133.70x = 761,961,200.55 × 507,974,133.70
  4. Step 4: Simplify right side
    507,974,133.70x = 387,056,580,762,398,208
  5. Step 5: Solve for x
    x = 387,056,580,762,398,208/507,974,133.70
  6. Step 6: Final answer
    x = 761,961,200.55

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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.