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Finding the Fourth Proportional to 692,852,307.48, 956,128,089.96 and 375,306,565.68

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Solution

The fourth proportional to 692,852,307.48, 956,128,089.96 and 375,306,565.68 is: 517,918,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,852,307.48 : 956,128,089.96 = 375,306,565.68 : x
  2. Step 2: Convert to fraction form
    692,852,307.48/956,128,089.96 = 375,306,565.68/x
  3. Step 3: Cross multiply
    692,852,307.48x = 956,128,089.96 × 375,306,565.68
  4. Step 4: Simplify right side
    692,852,307.48x = 358,841,149,793,065,728
  5. Step 5: Solve for x
    x = 358,841,149,793,065,728/692,852,307.48
  6. Step 6: Final answer
    x = 517,918,676.06

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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.