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Finding the Fourth Proportional to 506,931.14, 699,554.40 and 277,482.80

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Solution

The fourth proportional to 506,931.14, 699,554.40 and 277,482.80 is: 382,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,931.14 : 699,554.40 = 277,482.80 : x
  2. Step 2: Convert to fraction form
    506,931.14/699,554.40 = 277,482.80/x
  3. Step 3: Cross multiply
    506,931.14x = 699,554.40 × 277,482.80
  4. Step 4: Simplify right side
    506,931.14x = 194,114,313,664.32
  5. Step 5: Solve for x
    x = 194,114,313,664.32/506,931.14
  6. Step 6: Final answer
    x = 382,920.48

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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.