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Finding the Fourth Proportional to 637,295.04, 879,486.96 and 346,925.94

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Solution

The fourth proportional to 637,295.04, 879,486.96 and 346,925.94 is: 478,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,295.04 : 879,486.96 = 346,925.94 : x
  2. Step 2: Convert to fraction form
    637,295.04/879,486.96 = 346,925.94/x
  3. Step 3: Cross multiply
    637,295.04x = 879,486.96 × 346,925.94
  4. Step 4: Simplify right side
    637,295.04x = 305,116,837,017.67
  5. Step 5: Solve for x
    x = 305,116,837,017.67/637,295.04
  6. Step 6: Final answer
    x = 478,768.57

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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.