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Finding the Fourth Proportional to 371,259.60, 556,952.88 and 146,502.72

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Solution

The fourth proportional to 371,259.60, 556,952.88 and 146,502.72 is: 219,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,259.60 : 556,952.88 = 146,502.72 : x
  2. Step 2: Convert to fraction form
    371,259.60/556,952.88 = 146,502.72/x
  3. Step 3: Cross multiply
    371,259.60x = 556,952.88 × 146,502.72
  4. Step 4: Simplify right side
    371,259.60x = 81,595,111,831.83
  5. Step 5: Solve for x
    x = 81,595,111,831.83/371,259.60
  6. Step 6: Final answer
    x = 219,779.13

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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.