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Finding the Fourth Proportional to 530,794,440.79, 732,499,728.53 and 295,859,998.07

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Solution

The fourth proportional to 530,794,440.79, 732,499,728.53 and 295,859,998.07 is: 408,288,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,794,440.79 : 732,499,728.53 = 295,859,998.07 : x
  2. Step 2: Convert to fraction form
    530,794,440.79/732,499,728.53 = 295,859,998.07/x
  3. Step 3: Cross multiply
    530,794,440.79x = 732,499,728.53 × 295,859,998.07
  4. Step 4: Simplify right side
    530,794,440.79x = 216,717,368,266,773,696
  5. Step 5: Solve for x
    x = 216,717,368,266,773,696/530,794,440.79
  6. Step 6: Final answer
    x = 408,288,692.60

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1.5x scale

Why These Related Problems?

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