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Finding the Fourth Proportional to 602,051.76, 830,832.60 and 333,779.76

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Solution

The fourth proportional to 602,051.76, 830,832.60 and 333,779.76 is: 460,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,051.76 : 830,832.60 = 333,779.76 : x
  2. Step 2: Convert to fraction form
    602,051.76/830,832.60 = 333,779.76/x
  3. Step 3: Cross multiply
    602,051.76x = 830,832.60 × 333,779.76
  4. Step 4: Simplify right side
    602,051.76x = 277,315,105,828.18
  5. Step 5: Solve for x
    x = 277,315,105,828.18/602,051.76
  6. Step 6: Final answer
    x = 460,616.72

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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.