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Finding the Fourth Proportional to 506,330.55, 759,048.84 and 191,008.89

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Solution

The fourth proportional to 506,330.55, 759,048.84 and 191,008.89 is: 286,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,330.55 : 759,048.84 = 191,008.89 : x
  2. Step 2: Convert to fraction form
    506,330.55/759,048.84 = 191,008.89/x
  3. Step 3: Cross multiply
    506,330.55x = 759,048.84 × 191,008.89
  4. Step 4: Simplify right side
    506,330.55x = 144,985,076,384.19
  5. Step 5: Solve for x
    x = 144,985,076,384.19/506,330.55
  6. Step 6: Final answer
    x = 286,344.71

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1.5x scale

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.