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Finding the Fourth Proportional to 453,762.32, 626,228.16 and 262,779.12

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Solution

The fourth proportional to 453,762.32, 626,228.16 and 262,779.12 is: 362,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,762.32 : 626,228.16 = 262,779.12 : x
  2. Step 2: Convert to fraction form
    453,762.32/626,228.16 = 262,779.12/x
  3. Step 3: Cross multiply
    453,762.32x = 626,228.16 × 262,779.12
  4. Step 4: Simplify right side
    453,762.32x = 164,559,684,804.02
  5. Step 5: Solve for x
    x = 164,559,684,804.02/453,762.32
  6. Step 6: Final answer
    x = 362,656.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.