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Finding the Fourth Proportional to 625,540,271.00, 932,783,687.19 and 619,925,700.51

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Solution

The fourth proportional to 625,540,271.00, 932,783,687.19 and 619,925,700.51 is: 924,411,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,540,271.00 : 932,783,687.19 = 619,925,700.51 : x
  2. Step 2: Convert to fraction form
    625,540,271.00/932,783,687.19 = 619,925,700.51/x
  3. Step 3: Cross multiply
    625,540,271.00x = 932,783,687.19 × 619,925,700.51
  4. Step 4: Simplify right side
    625,540,271.00x = 578,256,580,705,561,472
  5. Step 5: Solve for x
    x = 578,256,580,705,561,472/625,540,271.00
  6. Step 6: Final answer
    x = 924,411,436.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.