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Finding the Fourth Proportional to 637,316, 879,554.64 and 350,894.24

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Solution

The fourth proportional to 637,316, 879,554.64 and 350,894.24 is: 484,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,316 : 879,554.64 = 350,894.24 : x
  2. Step 2: Convert to fraction form
    637,316/879,554.64 = 350,894.24/x
  3. Step 3: Cross multiply
    637,316x = 879,554.64 × 350,894.24
  4. Step 4: Simplify right side
    637,316x = 308,630,656,941.27
  5. Step 5: Solve for x
    x = 308,630,656,941.27/637,316
  6. Step 6: Final answer
    x = 484,266.29

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1.5x scale

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.