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Finding the Fourth Proportional to 292,585.02, 438,877.53 and 103,000.74

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Solution

The fourth proportional to 292,585.02, 438,877.53 and 103,000.74 is: 154,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,585.02 : 438,877.53 = 103,000.74 : x
  2. Step 2: Convert to fraction form
    292,585.02/438,877.53 = 103,000.74/x
  3. Step 3: Cross multiply
    292,585.02x = 438,877.53 × 103,000.74
  4. Step 4: Simplify right side
    292,585.02x = 45,204,710,359.37
  5. Step 5: Solve for x
    x = 45,204,710,359.37/292,585.02
  6. Step 6: Final answer
    x = 154,501.11

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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.