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Finding the Fourth Proportional to 610,416,710.60, 855,731,307.40 and 610,416,710.60

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Solution

The fourth proportional to 610,416,710.60, 855,731,307.40 and 610,416,710.60 is: 855,731,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,416,710.60 : 855,731,307.40 = 610,416,710.60 : x
  2. Step 2: Convert to fraction form
    610,416,710.60/855,731,307.40 = 610,416,710.60/x
  3. Step 3: Cross multiply
    610,416,710.60x = 855,731,307.40 × 610,416,710.60
  4. Step 4: Simplify right side
    610,416,710.60x = 522,352,689,820,545,472
  5. Step 5: Solve for x
    x = 522,352,689,820,545,472/610,416,710.60
  6. Step 6: Final answer
    x = 855,731,307.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.