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Finding the Fourth Proportional to 507,554.76, 761,332.71 and 152,568.78

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Solution

The fourth proportional to 507,554.76, 761,332.71 and 152,568.78 is: 228,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,554.76 : 761,332.71 = 152,568.78 : x
  2. Step 2: Convert to fraction form
    507,554.76/761,332.71 = 152,568.78/x
  3. Step 3: Cross multiply
    507,554.76x = 761,332.71 × 152,568.78
  4. Step 4: Simplify right side
    507,554.76x = 116,155,602,738.79
  5. Step 5: Solve for x
    x = 116,155,602,738.79/507,554.76
  6. Step 6: Final answer
    x = 228,853.34

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Similar ratio
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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.