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Finding the Fourth Proportional to 565,518,277.60, 848,277,416.40 and 156,574,428.10

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Solution

The fourth proportional to 565,518,277.60, 848,277,416.40 and 156,574,428.10 is: 234,861,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,518,277.60 : 848,277,416.40 = 156,574,428.10 : x
  2. Step 2: Convert to fraction form
    565,518,277.60/848,277,416.40 = 156,574,428.10/x
  3. Step 3: Cross multiply
    565,518,277.60x = 848,277,416.40 × 156,574,428.10
  4. Step 4: Simplify right side
    565,518,277.60x = 132,818,551,342,975,552
  5. Step 5: Solve for x
    x = 132,818,551,342,975,552/565,518,277.60
  6. Step 6: Final answer
    x = 234,861,642.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.