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Finding the Fourth Proportional to 657,082,666.49, 906,772,660.61 and 359,722,498.50

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Solution

The fourth proportional to 657,082,666.49, 906,772,660.61 and 359,722,498.50 is: 496,416,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,082,666.49 : 906,772,660.61 = 359,722,498.50 : x
  2. Step 2: Convert to fraction form
    657,082,666.49/906,772,660.61 = 359,722,498.50/x
  3. Step 3: Cross multiply
    657,082,666.49x = 906,772,660.61 × 359,722,498.50
  4. Step 4: Simplify right side
    657,082,666.49x = 326,186,527,044,323,136
  5. Step 5: Solve for x
    x = 326,186,527,044,323,136/657,082,666.49
  6. Step 6: Final answer
    x = 496,416,271.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.