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Finding the Fourth Proportional to 528,541.60, 793,330.80 and 262,602.40

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Solution

The fourth proportional to 528,541.60, 793,330.80 and 262,602.40 is: 394,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,541.60 : 793,330.80 = 262,602.40 : x
  2. Step 2: Convert to fraction form
    528,541.60/793,330.80 = 262,602.40/x
  3. Step 3: Cross multiply
    528,541.60x = 793,330.80 × 262,602.40
  4. Step 4: Simplify right side
    528,541.60x = 208,330,572,073.92
  5. Step 5: Solve for x
    x = 208,330,572,073.92/528,541.60
  6. Step 6: Final answer
    x = 394,161.16

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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.