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Finding the Fourth Proportional to 560,888.51, 774,015.56 and 343,081.16

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Solution

The fourth proportional to 560,888.51, 774,015.56 and 343,081.16 is: 473,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,888.51 : 774,015.56 = 343,081.16 : x
  2. Step 2: Convert to fraction form
    560,888.51/774,015.56 = 343,081.16/x
  3. Step 3: Cross multiply
    560,888.51x = 774,015.56 × 343,081.16
  4. Step 4: Simplify right side
    560,888.51x = 265,550,152,312.77
  5. Step 5: Solve for x
    x = 265,550,152,312.77/560,888.51
  6. Step 6: Final answer
    x = 473,445.52

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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.